IEC 62275:2013

IEC 62275 ®
Edition 2.0 2013-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Cable management systems – Cable ties for electrical installations

Systèmes de câblage – Colliers pour installations électriques

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IEC 62275 ®
Edition 2.0 2013-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Cable management systems – Cable ties for electrical installations

Systèmes de câblage – Colliers pour installations électriques

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX V
ICS 29.120.10, 29.120.99 ISBN 978-2-8322-1198-4

– 2 – 62275 © IEC:2013
CONTENTS
FOREWORD . 4

1 Scope . 6

2 Normative references . 6

3 Terms and definitions . 6

4 General requirements . 7

5 General notes on tests . 8

6 Classification . 12
6.1 According to material . 12
6.1.1 Metallic component . 12
6.1.2 Non-metallic component . 12
6.1.3 Composite component . 12
6.2 According to loop tensile strength for cable ties and mechanical strength
for fixing devices . 12
6.2.1 Loop tensile strength for cable ties . 12
6.2.2 Type 1 – Retains at least 50 % of declared loop tensile
strength for cable ties and mechanical strength for fixing
devices after test conditions . 12
6.2.3 Type 2 – Retains 100 % declared loop tensile strength for
cable ties and mechanical strength for fixing devices after test
conditions . 12
6.3 According to temperature . 13
6.3.1 According to maximum operating temperature for application
given in Table 4 . 13
6.3.2 According to minimum operating temperature for application
given in Table 5 . 13
6.3.3 According to minimum temperature during installation as
declared by the manufacturer . 13
6.4 According to contribution to fire for non-metallic and composite cable ties
only. 13
6.4.1 Flame propagating . 13
6.4.2 Non-flame propagating . 13
6.5 According to environmental influences . 14
6.5.1 According to resistance to ultraviolet light for non-metallic and
composite components . 14

6.5.2 According to resistance to corrosion for metallic and
composite components . 14
7 Marking and documentation . 14
8 Construction . 15
9 Mechanical properties. 15
9.1 Requirements . 15
9.2 Installation test . 15
9.3 Minimum installation temperature test for cable ties . 15
9.4 Minimum operating temperature test for cable ties . 16
9.5 Loop tensile strength test for cable ties classified according to 6.2.2 . 18
9.5.1 As-received condition . 18
9.5.2 After heat ageing . 18
9.5.3 After temperature cycling . 18

62275 © IEC:2013 – 3 –
9.6 Loop tensile strength test for cable ties classified according to 6.2.3 . 19

9.6.1 As-received condition . 19

9.6.2 After heat ageing . 19

9.6.3 After temperature cycling . 19

9.6.4 After vibration test for metallic cable ties . 20

9.7 Mechanical strength test for fixing devices . 21

9.7.1 As-received . 21

9.7.2 After heat ageing . 24

9.7.3 After temperature cycling . 24

10 Contribution to fire . 24

11 Environmental influences . 27
11.1 Resistance to ultraviolet light . 27
11.2 Resistance to corrosion. 29
12 Electromagnetic compatibility . 30
Annex A (normative) Compliance checks to be carried out for cable ties and fixing
devices complying with IEC 62275:2006 . 31
Bibliography . 33

Figure 1 – Reference thickness for cable ties . 9
Figure 2 – Typical arrangements for cable tie orientation on split mandrel for tensile
test 11
Figure 3 – Test apparatus for cable tie impact test . 17
Figure 4 – Typical arrangement for the vibration test . 21
Figure 5 – Typical arrangement of test assembly for fixing device test . 23
Figure 6 – Arrangement for the needle flame test . 26
Figure 7 – Recommended sample repositioning for ultraviolet light and water exposure . 29

Table 1 – Stabilisation time for samples . 8
Table 2 – Test mandrel diameter . 10
Table 3 – Loop tensile strength . 12
Table 4 – Maximum operating temperature for application . 13
Table 5 – Minimum operating temperature for application . 13
Table 6 – Energy values of hammer . 18

Table A.1 – Required compliance checks . 31

– 4 – 62275 © IEC:2013
INTERNATIONAL ELECTROTECHNICAL COMMISSION

____________
CABLE MANAGEMENT SYSTEMS –
CABLE TIES FOR ELECTRICAL INSTALLATIONS

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote

international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62275 has been prepared by subcommittee 23A: Cable
management systems, of IEC technical committee 23: Electrical accessories.

This second edition cancels and replaces the first edition published in 2006 and constitutes a
technical revision. It incorporates additional tables, an annex and figures as well as revisions
to such that appeared in the first edition. In places the text has been substantially altered
including:
– revised and updated normative references,
– integral cable ties and fixing devices,
– change in the range of the diameter of the test mandrel,
– general notes on tests,
– mechanical properties and associated tests as well as tests for resistance to ultraviolet
light and corrosion.
62275 © IEC:2013 – 5 –
The text of this standard is based on the following documents:

FDIS Report on voting
23A/693/FDIS 23A/695/RVD
Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.

This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

In this publication, the following print types are used:
– Requirements proper: in roman type.
– Test specifications: in italic type.
– Notes: in smaller roman type.
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
– 6 – 62275 © IEC:2013
CABLE MANAGEMENT SYSTEMS –
CABLE TIES FOR ELECTRICAL INSTALLATIONS

1 Scope
This International Standard specifies requirements for metallic, non-metallic and composite
cable ties and their associated fixing devices used for the management and support of wiring

systems in electrical installations.

Cable ties and associated fixing devices may also be suitable for other applications and
where so used, regard should be taken of any additional requirements.
This standard does not contain requirements that evaluate any electrical insulation properties
of the cable tie or mechanical protection of the cables provided by the cable tie.
This standard does not consider the mechanical interface of a fixing device to a solid surface
such as a wall or ceiling.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and
are indispensable for its application. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any
amendments) applies.
IEC 60068-2-6:2007, Environmental testing – Part 2-6: Tests – Test Fc: Vibration (sinusoidal)
IEC 60695-11-5:2004, Fire hazard testing – Part 11-5: Test flames – Needle-flame test
method – Apparatus, confirmatory test arrangement and guidance
IEC 60216-4-1:2006, Electrical insulating materials – Thermal endurance properties – Part 4-
1: Ageing ovens – Single-chamber ovens
ISO 4892-2:2006, Plastics – Methods of exposure to laboratory light sources – Part 2: Xenon-
arc lamps
ISO 9227:2012, Corrosion tests in artificial atmospheres – Salt spray tests
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
cable tie
band or length of material, employing a locking device, used for bundling or tying groups of
cables together, securing and/or supporting the cables
Note 1 to entry: Type 1 and Type 2 cable ties are classified in 6.2.2 and 6.2.3.
Note 2 to entry: In some countries, such as Canada and the United States, additional Type classifications are
applicable when prequalified moulding materials are used. See UL 62275/CSA C22.2 No. 62275.

62275 © IEC:2013 – 7 –
3.2
fixing device
component (such as a block or bracket) specifically designed to secure the cable tie to a

mounting surface
Note 1 to entry: A cable tie and the fixing device may be manufactured as an integrated component.

3.3
metallic component
component which consists of metal only

3.4
non-metallic component
component which consists of non-metallic material only
3.5
composite component
component comprising both metallic and non-metallic materials
3.6
environmental influence
effect of corrosive substances or solar radiation, etc.
3.7
loop tensile strength
reference mechanical characteristic of a cable tie with its locking mechanism engaged
3.8
locking device
feature of a cable tie for fixing it in a closed position
3.9
low hygroscopic polymer
polymer having the characteristic of not enabling attraction or holding water greater than
1,0 % by weight of the material from the surrounding environment at 23 °C and 50 % relative
humidity
Note 1 to entry: Examples of low hygroscopic polymers include: polypropylene, acetal, ethylene
tetrafluoroethylene, ethylene chlorotrifluoroethylene, nylon 12, polyetheretherketone.
3.10
equilibrium moisture content
state at which a polymer neither absorbs or releases moisture when exposed to a surrounding
environment of 23 °C and 50 % relative humidity
4 General requirements
A cable tie and a fixing device shall withstand the stresses likely to occur during recom-
mended installation practice and perform under the conditions of classifications in Clause 6 as
declared by the manufacturer.
Compliance is checked by carrying out all the appropriate specified tests.

– 8 – 62275 © IEC:2013
5 General notes on tests
5.1 Tests according to this standard are type tests. Unless otherwise specified, tests are
carried out with the cable ties and their associated fixing devices, where available, installed

as in normal use according to the manufacturer's instructions.

NOTE For guidance in determining product types and sample sets, a family of cable ties or fixing devices having

material, construction characteristics, and classifications according to Clause 6, in common, are considered of the

same product type. Examples for consideration are material colours, or variable lengths of a cable tie of otherwise
similar construction.
The sample sets selected for testing from each product type is representative of the extremes of the range

(example: shortest and longest), and the minimum performance level obtained for either extreme is determined to
be representative of the entire range.
Consideration is given to minor construction variations that can be determined by inspection to have no effect on
performance, when determining product types.
5.2 Unless otherwise specified, tests on non-metallic and composite components shall
commence when the samples have been removed from their packaging and then stabilised at
a temperature of (23 ± 5) °C and at a relative humidity of (50 ± 5) %, for a period as indicated
in Table 1.
NOTE This stabilisation intends to achieve equilibrium of moisture content for all samples before and after further
conditioning and testing.
Table 1 – Stabilisation time for samples
Reference thickness (RT) of the Stabilization time
device days
mm
RT ≤ 1,2 7 ± 1
1,2 < RT ≤ 1,4
−7
1,4 < RT
−7
All thicknesses of materials known to
2 ± 1/3
have low hygroscopic characteristics

The reference thickness of a cable tie is measured at the midpoint of the strap. The reference
thickness of a fixing device shall be the smallest cross section in the area that interfaces with
the cable tie or as declared by the manufacturer. See Figure 1.

When the equilibrium moisture content for a material at (23 ± 5) °C and (50 ± 5) % relative
humidity is determined through a method agreed to by the manufacturer and the testing
laboratory, the stabilisation time in Table 1 may be reduced when all of the following
conditions are met:
a) the product’s moisture content in the as-received condition and after each appropriate
conditioning is measured using a calibrated moisture analyzer device;
b) the samples are subjected to exposure to a constant temperature not exceeding 50 °C and
a relative humidity not exceeding 80 %; and
c) the product’s equilibrium moisture content at (23 ± 5) °C and (50 ± 5) % relative humidity
is verified using a calibrated moisture analyzer device. This verification process is
repeated until equilibrium is determined.

62275 © IEC:2013 – 9 –
A
Side view
Top view
A
IEC  1794/06
Key
A Reference thickness of cable tie
Figure 1 – Reference thickness for cable ties
5.3 Unless otherwise specified, the tests shall be carried out at an ambient temperature of
(23 ± 5) °C and with a relative humidity of between 40 % and 60 %.
5.4 Unless otherwise specified, three new samples are submitted to the tests and the
requirements are satisfied if all the tests are met. If only one of the samples does not satisfy a
test due to an assembly or manufacturing fault, that test and any preceding one which may
have influenced the results of the test shall be repeated; the tests which follow shall be made
in the required sequence on another full set of samples, all of which shall comply with the
requirements.
NOTE The applicant, when submitting the first set of samples, can also submit an additional set of samples which
may be necessary if one sample fails. The test station will then without further request test the additional set of
samples and will reject only if a further failure occurs. If the additional set of samples is not submitted at the same
time, a failure of one sample will entail a rejection.

5.5 When toxic or hazardous processes are used, due regard shall be taken of the safety of
persons within the test area.
5.6 Unless otherwise specified, the cross-head speed of a tensile machine used during the
tests shall be (25 ± 2,5) mm/min.
5.7 Where required for heat ageing, a full draft circulating-air oven as specified in
IEC 60216-4-1:2006 shall be used. A portion of the air shall be allowed to re-circulate and a
substantial amount of air shall be admitted continuously to maintain the normal air content
surrounding the samples. The oven shall be adjusted to achieve more than 5 complete fresh-
air changes per hour.
5.8 A fixing device that is integral to a cable tie shall comply with the requirements for both
the fixing device and the cable tie. The integral assembly shall be classified according to 6.2.2
or 6.2.3 and subjected to the conditionings for the cable tie prior to conducting the mechanical
strength test for the fixing device according to 9.7.

– 10 – 62275 © IEC:2013
A fixing device, the performance of which is dependent on the mounting hole size, the

thickness of the material sheet to which it is to be mounted, or the mounting orientation

declared by the manufacturer according to 7.3 f), shall comply with all applicable tests when

the device is assembled to the minimum and maximum thickness of each mounting surface, in

the largest hole size, and in each intended mounting orientation declared by the

manufacturer.
When it can be determined that a particular mounting orientation represents the most onerous

condition, the results of the tests in that orientation may represent all mounting orientations.

5.9 Unless otherwise specified, when conducting the tests on cable ties in Clause 9, the

samples shall be installed according to the manufacturer’s instructions on a steel or
aluminium mandrel which has a diameter A according to Table 2:
If the minimum declared diameter of the cable tie is greater than the diameter of the test
mandrel specified in Table 2, then a test mandrel that has the minimum diameter as declared
by the manufacturer shall be used.
The width B of the mandrel shall be at least 5 mm greater than the maximum width of the
cable tie as shown in Figure 2.
Table 2 – Test mandrel diameter
Maximum declared Test mandrel diameter
diameter (A)
mm mm
≤ 20 9,5 ± 1
> 20 and ≤ 38 20 ± 2
> 38 38 ± 2
For the loop tensile strength tests, the mandrel shall be split in two equal parts and the cable
ties positioned as shown in Figure 2a).
Cable ties having a parallel entry strap shall be mounted to the mandrel as shown in
Figure 2b).
The excess end (tail) of the cable tie is permitted to be cut off after assembly, except in the
tests where marking is required for the purpose of measurement (see 9.6).

The use of separate steel or aluminum conditioning mandrels is permitted. The conditioning
mandrels need not be split but shall have a diameter approximately equivalent to the
appropriate test mandrel to allow transfer of the sample to the test mandrel. Conditioned
samples shall be carefully transferred to the appropriate test mandrel for carrying out the loop
tensile test. Where it has been determined that the transfer of the samples from the
conditioning mandrel to a test mandrel has influenced the test results, an additional sample
set shall be conditioned and tested.

62275 © IEC:2013 – 11 –
Key
1  Locking device (head)
2  Split line
3  Mandrel
4  Cable tie
A  Diameter of test mandrel
B  Width of test mandrel
IEC  2830/13
Mandrels shall be made of steel or aluminium and shall be smooth and free of burrs.
Care should be taken that the separation of the two halves of the mandrel remains parallel to the split line.
Figure 2a) Typical arrangement for cable tie orientation
on split mandrel for tensile test – Right angle entry strap

Key
1  Locking device (head)
2  Split line
3  Mandrel
4  Cable tie
A  Diameter of test mandrel
B  Width of test mandrel
IEC  2831/13
Mandrels shall be made of steel or aluminium and shall be smooth and free of burrs.
Care should be taken that the separation of the two halves of the mandrel remains parallel to the split line.
Figure 2b) Typical arrangement for cable tie orientation
on split mandrel for tensile test – Parallel entry strap
Figure 2 – Typical arrangements for cable tie orientation
on split mandrel for tensile test

– 12 – 62275 © IEC:2013
6 Classification
6.1 According to material
6.1.1 Metallic component
6.1.2 Non-metallic component
6.1.3 Composite component
6.2 According to loop tensile strength for cable ties and mechanical strength for

fixing devices
6.2.1 Loop tensile strength for cable ties
As given in Table 3.
Table 3 – Loop tensile strength
Loop tensile strength
N
50 530
80 800
130 890
180 1 150
220 1 300
360 2 200
Other values may be declared at the manufacturer’s discretion.
NOTE Loop tensile strength does not provide an indication of long-term static load-bearing capabilities.
6.2.2 Type 1 – Retains at least 50 % of declared loop tensile strength for cable ties
and mechanical strength for fixing devices after test conditions
6.2.3 Type 2 – Retains 100 % declared loop tensile strength for cable ties and
mechanical strength for fixing devices after test conditions
NOTE In some countries, such as Canada and the United States, additional Type classifications are applicable
when pre-qualified moulding materials are used. See UL 62275/CSA C22.2 No.62275.

62275 © IEC:2013 – 13 –
6.3 According to temperature
6.3.1 According to maximum operating temperature for application given in Table 4

Table 4 – Maximum operating temperature for application

Temperature
ºC
Additional ratings above 150 °C may be declared at the manufacturer’s discretion.
6.3.2 According to minimum operating temperature for application given in Table 5
Table 5 – Minimum operating temperature for application
Temperature
ºC
–5
–15
–25
–40
–60
6.3.3 According to minimum temperature during installation as declared by the
manufacturer
6.4 According to contribution to fire for non-metallic and composite cable ties only
6.4.1 Flame propagating
NOTE Due to the small mass of material, cable ties classified as flame propagating are considered to present
only a minor potential contribution in the case of fire.
6.4.2 Non-flame propagating
NOTE Metallic cable ties are considered non-flame propagating.

– 14 – 62275 © IEC:2013
6.5 According to environmental influences

6.5.1 According to resistance to ultraviolet light for non-metallic and composite

components
6.5.1.1 Not declared
6.5.1.2 Resistant to ultraviolet light

6.5.2 According to resistance to corrosion for metallic and composite components

6.5.2.1 Not declared
6.5.2.2 Resistant to corrosion
7 Marking and documentation
7.1 Each cable tie and fixing device shall be marked with the manufacturer's or responsible
vendor's name or trademark and identifying symbol.
Where it is not possible, for example, due to the small size of a cable tie or fixing device to
mark on it the identifying symbol, then this symbol may be marked on the packaging.
NOTE 1 The identifying symbol can be a reference number, letter etc.
NOTE 2 Marking can be applied, for example, by moulding, pressing, engraving, printing, adhesive labels, etc.
7.2 Marking on the cable ties or fixing device shall be clearly legible and durable.
Compliance is checked by inspection and by rubbing the marking by hand for 15 s with a
piece of cloth soaked with water and again for 15 s with a piece of cloth soaked with
petroleum spirit.
Marking made by moulding, pressing or engraving is not subjected to this test.
After the test, the marking shall be legible to normal or corrected vision.
NOTE Petroleum spirit is defined as the aliphatic solvent hexane with a content of aromatics of maximum 0,1 %
by volume, a kauri-butanol value of 29, initial boiling point of 65 ºC, a dry point of 69 ºC and a specific gravity of
680 kg/m .
7.3 The manufacturer or responsible vendor shall provide in his literature:

a) the classification according to Clause 6,
b) the maximum and minimum bundle diameter in mm in relation to each cable tie,
c) the recommended method of installation, including the tool to be used, if any, and the load
to be applied,
d) recommendations on transport and storage,
e) the manufacturer’s declared mechanical strength for a fixing device, and
f) specific mounting or assembly conditions such as mounting hole sizes, material
thicknesses, mounting orientations, etc., for fixing devices according to 5.8.
NOTE In some countries, the marking information may be required to be placed on the packaging accompanying
the product.
Compliance is checked by inspection.

62275 © IEC:2013 – 15 –
8 Construction
The surface of the cable tie or fixing device shall be free from burrs and similar

inconsistencies, and edges shall be smooth so as not to damage the cables or to inflict injury

to the installer or user.
Compliance is checked by inspection.

9 Mechanical properties
9.1 Requirements
The cable tie and/or its associated fixing device shall withstand the stresses likely to occur
during installation and application. The cable tie shall:
– be capable of fixing the maximum and minimum bundle diameter declared by the
manufacturer.
Compliance is checked by the test according to 9.2;
– be able to be installed at the minimum temperature declared by the manufacturer.
Compliance is checked by the test according to 9.3, for cable ties classified according to
6.1.2 and 6.1.3 only;
– be resistant to the effect of impact forces at the minimum operating temperature declared
by the manufacturer.
Compliance is checked by the test according to 9.4, for cable ties classified according to
6.1.2 and 6.1.3 only;
– maintain its fixing function at the minimum and maximum application temperature
declared by the manufacturer. Metallic cable ties shall maintain their fixing function when
exposed to vibration.
NOTE Non-metallic and composite cable ties are considered to be resistant to the effects of vibration.
Compliance is checked by the relevant tests. For cable ties classified according to 6.2.2, by
the tests according to 9.5. For cable ties classified according to 6.2.3, by the tests according
to 9.6.
Cable ties classified according to 6.1.1 are considered only as Type 2 according to 6.2.3.
The fixing device shall maintain its fixing function at the minimum and maximum application
temperature as declared by the manufacturer.

Compliance is determined by the tests according to 9.7.
9.2 Installation test
The sample shall be installed on a mandrel representing the maximum specified diameter or
size and the minimum specified diameter or size to determine that it is able to be installed in
the intended manner, as specified by the manufacturer.
Moisture stabilisation according to 5.2 is not applicable for this test.
9.3 Minimum installation temperature test for cable ties
If the manufacturer gives no recommendation that the cable tie should be installed
immediately after unpacking, in order to keep its humidity level, non-metallic and composite
cable ties shall be dried out for (72 ± 1) h at the maximum operating temperature declared by
the manufacturer before the following test is carried out:

– 16 – 62275 © IEC:2013
The sample and a steel or aluminium mandrel, which reflects the minimum bundle diameter,

shall be placed separately in a refrigerator, the temperature in which shall be maintained at

the declared minimum temperature for installation with a tolerance of ± 2 °C. When the

sample has attained this temperature or after 2 h, whichever is the longer period, the sample

is installed on the mandrel.
After the test, there shall be no sign of disintegration nor shall there be any crack visible to

normal or corrected vision.
9.4 Minimum operating temperature test for cable ties

The test mandrel as specified in 5.9 with the sample installed shall be placed in a refrigerator
the temperature within which shall be maintained at the declared temperature according to
Table 5 with a tolerance of ± 2 °C.
Two hours after the refrigerator has recovered to the declared temperature, the sample is
removed from the refrigerator and placed on a V block as shown in Figure 3, with the locking
device of the tie placed opposite to the point of impact.
Moisture stabilisation according to 5.2 after removal from the refrigerator is not applicable.
An impact shall be applied on the strap by a free fall hammer (12 ± 2) s after removal of the
test assembly from the refrigerator. Compliance with impact applied before 10 s also complies
with this test of the standard. A typical apparatus is shown in Figure 3.
The energy of the hammer shall be as given in Table 6.
The sample shall be deemed to have passed the test if, after the test, it has not broken open,
nor shall there be any crack visible to normal or corrected vision.

62275 © IEC:2013 – 17 –
Dimensions in millimetres
IEC  1798/06
Figure 3c) Position of tie strap
on test mandrel
R300
∅20
IEC  1796/06
Figure 3a) Test apparatus
IEC  1799/06
assembly
Figure 3d) Hammer details
Key
1 Guide rails
2 Height scale
3 Frame
4 Hammer guidance weight carriage
5 Hammer
6 Rigid base
7 Impact direction
8 Tie strap
9 Position of the test mandrel on
IEC  1797/06    mounting fixture (V-Block)
Figure 3b) Test mandrel with
10 Hammer
supporting V-block
The gap in the V block should be so wide and deep that neither the strap nor the tie locking device are in contact
with the V block.
Figure 3 – Test apparatus for cable tie impact test

– 18 – 62275 © IEC:2013
Table 6 – Energy values of hammer

Minimum declared loop
< 80 > 80 to > 180 to > 230 to > 540 to > 1 300

tensile strength
180 230 540 1 300
N
Energy J 0,14 0,35 0,7 1 2 5
Equivalent mass kg 0,25 0,25 0,25 0,25 0,5 1,7

56 140 280 400 400 300
Height of fall mm ± 1 %
9.5 Loop tensile strength test for cable ties classified according to 6.2.2

9.5.1 As-received condition
The test is carried out on a new set of ten cable ties. Each sample shall be installed on a test
mandrel as specified in 5.9.
Each sample shall be subjected to a tensile pull. The maximum force is measured.
No individual value shall be less than the loop tensile strength declared according to 6.2.
9.5.2 After heat ageing
The test is carried out on a new set of ten cable ties. Each sample shall be installed on a test
mandrel as specified in 5.9.
Moisture stabilisation according to 5.2 before heat ageing is not applicable for this test.
The samples shall be aged in a full draft circulating-air oven with forced air at the maximum
+48
declared temperature according to Table 4 increased by (15 ± 1) °C for (1 000 ) h. Then
the samples and the mandrels shall be conditioned according to 5.2.
Each sample shall be subjected to a tensile pull. The maximum force is measured.
No individual value shall be less than 50 % of the loop tensile strength declared according
to 6.2.
9.5.3 After temperature cycling
The test is carried out on a set of ten new samples. The sample shall be installed on a test

mandrel as specified in 5.9.
Moisture stabilisation according to 5.2 before temperature cycling is not applicable for this
test.
The test assembly is subjected to the following temperature cycling with transfer between
each condition described in list items a) to f), of 4 min to 5 min duration:
a) for 120 min to 130 min, the assembly is stored in a full draft circulating-air oven at the
maximum operating temperature as declared by the manufacturer according to Table 4
+2
with a tolerance of °C;
b) for 60 min to 70 min, the assembly is then be placed in a refrigerator at the minimum
temperature for application in normal use as declared by the manufacturer according to
+0
Table 5 with a tolerance of °C;
c) condition a) is repeated;
62275 © IEC:2013 – 19 –
+2
d) condition b) is repeated but for (18 ) h;

e) the test conditions a) and b) are repeated twice;

f) the test assembly consisting of non-metallic and composite components shall be

conditioned according to 5.2.
After the cycling, there shall be no sign of disintegration nor shall there be any crack visible to

normal or corrected vision.
Each sample shall be subjected to a tensile pull
...