IEC 60838-2-3:2016/AMD1:2023

IEC 60838-2-3 ®
Edition 1.0 2023-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Miscellaneous lampholders –
Part 2-3: Particular requirements – Lampholders for double-capped linear LED
lamps
Douilles diverses pour lampes –
Partie 2-3: Exigences particulières – Douilles pour lampes LED linéaires à deux
culots
IEC 60838-2-3:2016-05/AMD1:2023-04(en-fr)

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IEC 60838-2-3 ®
Edition 1.0 2023-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Miscellaneous lampholders –
Part 2-3: Particular requirements – Lampholders for double-capped linear LED

lamps
Douilles diverses pour lampes –

Partie 2-3: Exigences particulières – Douilles pour lampes LED linéaires à deux

culots
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.140.10 ISBN 978-2-8322-6859-9

– 2 – IEC 60838-2-3:2016/AMD1:2023
© IEC 2023
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
MISCELLANEOUS LAMPHOLDERS –
Part 2-3: Particular requirements –
Lampholders for double-capped linear LED lamps

AMENDMENT 1
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,
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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
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3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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rights. IEC shall not be held responsible for identifying any or all such patent rights.
Amendment 1 to IEC 60838-2-3:2016 has been prepared by subcommittee 34B: Lamp caps and
holders, of IEC technical committee 34: Lighting.
The text of this Amendment is based on the following documents:
Draft Report on voting
34B/2150/CDV 34B/2167/RVC
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this Amendment is English.

© IEC 2023
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/publications/.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
_____________
5 General conditions for tests
5.1
Add the following title to Subclause 5.1:
5.1 GX16t-5 lampholders
Add, at the end of Subclause 5.1, after Figure 3, the following new Subclause 5.2:
5.2 GJ6.6 lampholders
For a pair of GJ6.6 inflexible lampholders, the axial tolerances shall conform to IEC 60061-2,
sheet 7005-188-1 (Mounting distance of a combined pair of inflexible lampholders).
NOTE GJ6.6 lampholders are classified as inflexible (see 3.3).
8 Protection against electric shock
8.1
Add the following title to Subclause 8.1:
8.1 GX16t-5 contact making during insertion
Add, after Subclause 8.1, the following new Subclause 8.2:
8.2 GJ6.6 contact making during insertion
GJ6.6t, GJ6.6d-1 and GJ6.6d-2 lampholders shall provide protection against electric shock
during the lamp insertion to the holder.
Compliance is checked by measurement or by using the contact making test gauge for holders
specified in IEC 60061-3, sheet 7006-188-X.
NOTE 1 GJ6.6 lamps are inserted by snapping into the lampholder. The orientation is mechanically ensured prior
to making electrical contact. Mechanical protection against electric shock is provided by inaccessible electrical
contacts.
– 4 – IEC 60838-2-3:2016/AMD1:2023
© IEC 2023
NOTE 2 The IEC 60061-3 gauges for GJ6.6 fits are under development.
11 Construction
11.1
Add the following title to Subclause 11.1:
11.1 Absence of lamp support
At the end of Subclause 11.1, number the existing NOTE as NOTE 1 and add the following new
NOTE 2:
NOTE 2 GJ6.6 lampholders provide additional lamp support inherently by incorporating a closure of the holder to
the lamp cap. The lampholder is side entry from the lamp axis perspective but the cap pins are axial entry into the
holder.
11.2
Add the following title to Subclause 11.2:
11.2 Seating position
11.3
Replace the existing Subclause 11.3 with the following new titled Subclause 11.3:
11.3 Contact force
11.3.1 Gx16t-5 lampholders
Lampholders shall be so designed that adequate contact force is provided.
a) For bi-pin lampholders, making contact mainly along one side of each pin of the cap, the
contact force is measured with a single-ended gauge having dimensions and pin distances
according to standard sheet 7006-183C of IEC 60061-3, gauges E and G.
The contact force shall be between:
– 2 N and 30 N for lampholders not providing support to prevent bending of the lamp pins;
– 2 N and 45 N for lampholders, when the lamp pins are supported by the holder
construction.
First the maximum contact force is measured with a pin distance as shown for gauge G.
This is followed by measurement of the minimum contact force with the pin distance of
gauge E.
b) For single-pin lampholders the contact force is measured with a single-ended gauge having
dimensions according to standard sheet 7006-183C of IEC 60061-3, gauges E and G.
The contact force shall be between 2 N and 25 N.
c) For bi-pin lampholders the torque required for the insertion and removal of the lamp shall
be measured with single-ended gauges having pin dimensions and pin distances according
to standard sheet 7006-183C of IEC 60061-3 gauges G and F.
The torque required to insert the gauges until the position representing the operating
position of the lamp is reached, shall not exceed 0,5 Nm.
The torque required to clear the gauges from the normal seated position shall be between
0,1 Nm and 0,5 Nm.
During complete removal of the gauges, the maximum values shall not be exceeded.
During force and torque testing, care should be taken that the front face of the gauges is
kept parallel with the holder face.

© IEC 2023
As a preconditioning cycle, there shall be one clockwise and one anticlockwise rotation, or
one insertion and withdrawal routine of each test device, before the initial measurement is
taken.
11.3.2 GJ6.6 lampholders
Lampholders shall be so designed that adequate contact force is provided.
Adequate contact force is tested for GJ6.6 lampholders by two gauges:
• retention force gauge for GJ6.6 lampholders;
• contact making test gauge for GJ6.6 holders.
Compliance is checked by measurement or passing both of the following IEC 60061-3 gauge
test procedures:
• gauge sheet 7006-188-X, retention force gauge for GJ6.6 lampholders;
• gauge sheet 7006-188-X, contact making test gauge for GJ6.6 holders.
NOTE The IEC 60061-3 gauges for GJ6.6 fits are under development.
11.4
Replace the existing Subclause 11.4, including Figure 4, with the following new titled Subclause
11.4 and Figure 4:
11.4 Holder dimensions
11.4.1 General
Lampholders shall comply with the relevant standard sheets of IEC 60061-2 with regard to the
holder dimensions.
11.4.2 GX16t-5 lampholders
Compliance is checked as follows:
– With two pairs of matching holders mounted in the mounting jig shown in Figure 4 and by
use of the relevant "GO" gauges and the relevant gauges for testing contact-making.
– Lampholders which, due to their design, do not allow testing in the mounting jig, and flexibly
mounted lampholders (see 3.4) shall be tested together with the relevant luminaire and by
use of the relevant gauges adapted to the specific lamp length according to standard sheet
7005-183 of IEC 60061-2.
When testing contact-making, the gauges are pushed in the direction of each of the holder faces
in turn with a force of 10 N. For holders with a limited mass of 500 g for the lamp, the force is
limited to 5 N.
When testing in the mounting jig, this force can be achieved by vertical position of the gauge.
For lampholders intended for use with more than one lamp at the same time, additional mass
according to the number of lamps is placed on the lampho
...