IEC 62561-5:2017

IEC 62561-5 ®
Edition 2.0 2017-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Lightning protection system components (LPSC) –
Part 5: Requirements for earth electrode inspection housings and earth
electrode seals
Composants de système de protection contre la foudre (CSPF) –
Partie 5: Exigences pour les regards de visite et les joints d'étanchéité
des électrodes de terre
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IEC 62561-5 ®
Edition 2.0 2017-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Lightning protection system components (LPSC) –

Part 5: Requirements for earth electrode inspection housings and earth

electrode seals
Composants de système de protection contre la foudre (CSPF) –

Partie 5: Exigences pour les regards de visite et les joints d'étanchéité

des électrodes de terre
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.020; 91.120.40 ISBN 978-2-8322-4636-8

– 2 – IEC 62561-5:2017 © IEC 2017
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Classification . 8
4.1 Earth electrode inspection housings . 8
4.2 Earth electrode seals . 8
5 Requirements . 8
5.1 General . 8
5.2 Installation instructions . 8
5.3 Earth electrode inspection housing . 8
5.4 Earth electrode seal . 8
5.5 Marking . 8
6 Tests . 9
6.1 General test conditions . 9
6.2 Earth electrode inspection housing . 9
6.2.1 General . 9
6.2.2 Load test . 9
6.3 Earth electrode seal test . 11
6.3.1 Earth electrode in watertight housing . 11
6.3.2 Earth electrode in or through watertight concrete . 11
6.4 Installation instructions . 13
6.4.1 General conditions for tests . 13
6.4.2 Acceptance criteria . 14
6.5 Marking . 14
6.5.1 General conditions for tests . 14
6.5.2 Acceptance criteria . 14
7 Electromagnetic compatibility (EMC) . 14
8 Structure and content of the test report . 14
8.1 General . 14
8.2 Report identification . 15
8.3 Specimen description . 15
8.4 Standards and references . 15
8.5 Test procedure . 15
8.6 Testing equipment, description . 15
8.7 Measuring instruments description . 16
8.8 Results and parameters recorded . 16
8.9 Statement of pass/fail . 16
Bibliography . 17

Figure 1 – Test arrangement for load test . 10
Figure 2 – Test arrangement for sealing test . 11

Figure 3 – Example for a test arrangement for depth of penetration of water under
pressure . 13

Table 1 – Parameters for concrete used for the test arrangement . 12

– 4 – IEC 62561-5:2017 © IEC 2017
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) –

Part 5: Requirements for earth electrode inspection housings
and earth electrode seals
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
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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 62561-5 has been prepared by IEC technical committee 81:
Lightning protection.
This second edition cancels and replaces the first edition, published in 2011. This edition
constitutes a technical revision.
This edition includes the following major technical changes with respect to the previous
edition.
– Testing requirements have been added for the sealing of earth electrode installed in or
through watertight concrete.
The text of this International Standard is based on the following documents:
FDIS Report on voting
81/565/FDIS 81/568/RVD
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the IEC 62561 series, published under the general title Lightning
protection system components (LPSC), can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://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.
– 6 – IEC 62561-5:2017 © IEC 2017
INTRODUCTION
This part of IEC 62561 deals with the requirements and tests for lightning protection system
components (LPSC), specifically earth electrode inspection housings and earth electrode
seals, used for the installation of a lightning protection system (LPS) designed and
implemented according to IEC 62305 (all parts).

LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) –

Part 5: Requirements for earth electrode inspection housings
and earth electrode seals
1 Scope
This part of IEC 62561 specifies the requirements and tests for earth electrode inspection
housings (earth housing) installed in the earth and for earth electrode seals.
Lightning protection system components (LPSC) can also be suitable for use in hazardous
atmospheres. There are therefore additional requirements when installing the components
under such conditions.
NOTE Different requirements and test procedures are given in EN 124 (all parts) and EN 1253 (all parts).
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements of this document. For dated references, only the edition
cited applies. For undated references, the latest edition of the referenced document (including
any amendments) applies.
IEC 62305-3, Protection against lightning – Part 3: Physical damage to structures and life
hazard
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization, which can be
consulted at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
earth electrode inspection housing
metallic or non-metallic enclosure that houses the down conductor/earth termination
connection for inspection and testing purposes and consists of a housing and a removable lid
3.2
earth electrode seal
water pressure seal used in conjunction with an earth electrode that passes through or enters
the foundation or wall of the building, so preventing ground water from entering the building
3.3
earth electrode
part or group of parts of the earth termination system which provides direct electrical contact
with and disperses the lightning current to the earth
EXAMPLES Earth rods, earth conductors and earth plates.

– 8 – IEC 62561-5:2017 © IEC 2017
4 Classification
4.1 Earth electrode inspection housings
a) heavy duty usage for slow moving vehicular traffic, multi-axle, etc;
b) medium duty usage for slow moving automobiles, etc;
c) light duty usage for walkways, etc.
4.2 Earth electrode seals
No classifications.
5 Requirements
5.1 General
All earth electrode inspection housings and earth electrode seals shall be so designed and
constructed that in normal use their performance is reliable and without danger to persons
and the surroundings.
The choice of a material depends on its ability to match the particular application
requirements.
5.2 Installation instructions
The manufacturer or supplier of the earth electrode inspection housing and earth electrode
seals shall provide adequate information in his literature to ensure that the installer can select
and install the materials in a suitable and safe manner, in accordance with IEC 62305-3.
Compliance is checked by review as per 6.4.
5.3 Earth electrode inspection housing
The design of the earth electrode inspection housing shall be such that it carries out its
function of enclosing the down conductor/earth rod termination in an acceptable and safe
manner, and has sufficient internal dimensions to permit the assembly/disassembly of the
earth rod clamp. The housing body shall be deep enough to permit the lid to sit flush on the
body without fouling on the rod/conductor/clamp assembly.
The material of the earth electrode inspection housing shall be compatible with its
surrounding environment and shall comply with the tests given in 6.2.
5.4 Earth electrode seal
The design of the earth electrode seal shall be such that, in an acceptable and safe manner, it
carries out its function of preventing ground water bypassing the earth electrode and entering
the foundation or wall of a building.
The material of the earth electrode seal shall be compatible with its surrounding environment
and comply with the tests given in 6.3.
5.5 Marking
All products complying with this document shall be marked at least with:
a) the manufacturer’s or responsible vendor’s name or trade mark or identifying symbol;
b) part number;
c) classification as per Clause 4;

d) load withstand force in kN.
Where this proves to be impractical, the marking in accordance with the identifying symbol
may be given on the smallest packing unit.
NOTE Marking can be applied for example by moulding, pressing, engraving, printing adhesive labels or water
slide transfers.
Compliance is checked in accordance with 6.5.
6 Tests
6.1 General test conditions
The tests in accordance with this document are type tests. These tests are of such a nature
that, after they have been performed, they need not be repeated unless changes are made to
the materials, design or type of manufacturing process, which might change the performance
characteristics of the product.
Unless otherwise specified, tests are carried out with the specimens prepared as in normal
use according to the manufacturer’s or supplier’s instructions.
All tests are carried out on new specimens.
Unless otherwise specified, three new specimens are subjected to the tests and the
requirements are satisfied if all the tests are met. If only one of the specimens does not
satisfy a test due to an assembly or a 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 carried out in the required sequence on another full set of specimens, all of which
shall comply with the requirements.
The applicant, when submitting the first set of samples, can also submit an additional set of
samples that may be necessary should one sample fail. The testing laboratory shall then,
without further request, test the additional set of samples, and shall only reject if a further
failure occurs. If the additional set of samples is not submitted at the same time, a failure of
one sample shall entail rejection.
6.2 Earth electrode inspection housing
6.2.1 General
All tests shall be performed on three new lid specimens using one housing.
6.2.2 Load test
Concrete lid specimens shall be tested after a 28 day curing period. Lid specimens of all other
materials shall be tested after a seven day curing period.
The test is carried out on a complete assembly and prepared according to the manufacturer’s
instructions.
The housing of the specimen shall be surrounded by a material relevant to a declared load
rating in accordance with the manufacturer’s instructions.
The thickness of the surrounding material shall be at least 0,5 times the nominal size of the
housing and not greater than the nominal size of the housing.
The arrangement should be placed on a rigid support.

– 10 – IEC 62561-5:2017 © IEC 2017
An example for the test arrangement is shown in Figure 1.
Y
IEC
Key
1 force
2 circular steel plate
3 removable lid
4 housing
5 surrounding material
6 rigid support
Thickness of surrounding material (5) is equal to 0,5 x Y up to 1 x Y.
Figure 1 – Test arrangement for load test
The product applicable for heavy duty usage (slow moving vehicular traffic, multi-axle, etc.)
shall be subjected to a force of 30 kN vertically applied through a circular steel plate with a
170 mm ± 0,5 mm diameter and a thickness of 20 mm ± 1 mm with a radius of both edges (top
and bottom) of minimum 2 mm.
The product applicable for medium duty usage (slow moving automobiles, etc.) shall be
subjected to a force of 15 kN vertically applied through a circular steel plate with a
130 mm ± 0,5 mm diameter and a thickness of 20 mm ± 1 mm with an edge radius of
approximately 2 mm.
The product applicable for light duty usage (walkways, etc.) shall be subjected to a force of
4 kN vertically applied through a circular steel plate with a 62 mm ± 0,5 mm diameter and a
thickness of 20 mm ± 1 mm with an edge radius of approximately 2 mm.
The centre of the circular plate should be positioned over the centre of the lid.
The force shall be gradually applied over 60 s ± 10 s and maintained for 120 s ± 5 s.
The tested load of the product should be declared by the manufacturer.
After the test, the specimens shall show no signs of disintegration, nor crack be visible to
normal or corrected vision without additional magnification. One minute after the load has
been removed, there shall be no permanent deformation exceeding 3 mm.
The specimen is deemed to have passed the tests if it meets the above requirements.

6.3 Earth electrode seal test
6.3.1 Earth electrode in watertight housing
Specimens are subjected to a sealing test as follows:
The earth electrode seal shall be assembled in a typical test bed that proves its intended
application (as shown in Figure 2).
0,5MPa
4 No bubbles
Water
IEC
Key
1 tank filled with water
2 earth electrode rod
3 earth electrode seal arrangement
4 seals
5 air
Figure 2 – Test arrangement for sealing test
A minimum air pressure of 0,5 MPa shall be continuously applied to the seal arrangement for
24 h.
The specimens are deemed to have passed the test if no leakage is detected at the sealing
points at the completion of the test.
6.3.2 Earth electrode in or through watertight concrete
6.3.2.1 General
The earth electrode seal shall be set in concrete according to the manufacturer's instructions
in a specimen according to 6.3.2.2.
6.3.2.2 Specimen
The specimen shall be cubic with a minimum edge length of 150 mm. The composition of the
concrete shall be in accordance with Table 1.

– 12 – IEC 62561-5:2017 © IEC 2017
Table 1 – Parameters for concrete used for the test arrangement
Component Water-Cement ratio W/C Cement content Compressive
strength
thickness
> 40 cm 0,7 No requirement C25/30 or higher
< 40 cm 0,6 280 kg/m
270 kg/m were additions
are taken into account
The concrete shall be compacted immediately after placing in the moulds.
6.3.2.3 Curing of specimen
Leave the specimen in the mould for at least 16 h, but not longer than 3 days, protected
against shock, vibration and dehydration at a temperature of (20 ± 5) °C. After removal from
the mould, cure the test specimen till immediately before testing, in water at a temperature of
(20 ± 2) °C, or in a chamber at (20 ± 2) °C and a relative humidity ≥ 95 %.
6.3.2.4 Application of water pressure
The test shall be started when the specimen is at least 28 days old. Place the specimen in the
apparatus and apply a water pressure of (100 ± 10) kPa for (72 ± 2) h (as shown in Figure 3).
6.3.2.5 Examination of specimen
After the pressure has been applied for the specified time, remove the specimen from the
apparatus. Wipe the face on which the water pressure was applied to remove excess water.
Split the specimen in half, perpendicularly to the face on which the water pressure was
applied. When splitting the specimen, and during the examination, place the face of the
specimen exposed to the water pressure on the bottom. As soon as the split face has dried to
such an extent that the water penetration front can be clearly seen, mark the water front on
the specimen. Measure the maximum depth of penetration under the test area and record it.
6.3.2.6 Pass criteria
The specimen is deemed to have passed the test if the depth of water penetration does not
exceed the point identified by line 9 in Figure 3.

A-A
A A
IEC
Key
1 specimen made of concrete
2 earth electrode seal
(e.g. wall bushing or fixed earthing terminal)
3 water barrier
4 packing piece
5 sealing ring
6 screwed-on plate
7 bolt
8 water under pressure
9 permitted maximum water penetration
Figure 3 – Example for a test arrangement for depth
of penetration of water under pressure
6.4 Installation instructions
6.4.1 General conditions for tests
The content of the installation instructions is checked as per its completeness by inspection.
– 14 – IEC 62561-5:2017 © IEC 2017
6.4.2 Acceptance criteria
Installation instructions are deemed to have passed the test if they contain at least the
following:
– the manufacturer’s or responsible vendor’s name or trade mark or identifying symbol;
– part number;
– classification as per Clause 4;
– load withstand force in kN.
6.5 Marking
6.5.1 General conditions for tests
The marking shall be inspected after rubbing it by hand for 15 s with a piece of cloth soaked
with water, followed by rubbing it with another piece of cloth soaked with white spirit for 15 s.
Marking made by moulding, pressing or engraving is not subjected to this test.
6.5.2 Acceptance criteria
The specimen is deemed to have passed the test if the marking remains legible.
7 Electromagnetic compatibility (EMC)
Products covered by this document are, in normal use, passive in respect of electromagnetic
influences (emission and immunity).
8 Structure and content of the test report
8.1 General
The purpose of Clause 8 is to provide general requirements for laboratory test reports. It is
intended to promote clear, complete reporting procedures for laboratories submitting test
reports.
The results of each test carried out by the testing laboratory shall be reported accurately,
clearly, unambiguously and objectively, in accordance with any instructions in the test
methods. The results shall be reported in a test report and shall include all the information
necessary for the interpretation of the test results and all information required by the method
used.
Particular care and attention shall be paid to the arrangement of the report, especially with
regard to presentation of the test data and ease of assimilation by the reader. The format
shall be carefully and specifically designed for each type of test carried out, but the headings
shall be standardized as indicated herein.
The structure of each report shall include at least the information specified in 8.2 to 8.9.

8.2 Report identification
The following information shall be included :
a) A title or subject of the report.
b) Name and e-mail address or telephone number of the testing laboratory.
c) Name, address and telephone number of the sub-testing laboratory where the test was
carried out if different from the company which has been assigned to perform the test.
d) Unique identification number (or serial number) of the test report.
e) Name and address of the vendor.
f) Report shall be paginated and the total number of pages indicated on each page,
including appendices or annexes.
g) Date of issue of the report.
h) Date(s) test(s) was (were) performed.
i) Signature and title, or an equivalent identification of the person(s) authorized to sign by
the testing laboratory to attest to the content of the report.
j) Signature and title of person(s) conducting the test(s).
8.3 Specimen description
a) Sample description.
b) Detailed description and unambiguous identification of the test specimen and/or test
assembly, for example part number, type, classification, material, dimensions.
c) Characterization and condition of the test specimen and/or test assembly.
d) Sampling procedure, where relevant.
e) Date of receipt of test samples.
f) Photographs, drawings or any other visual documentation, if available.
8.4 Standards and references
a) Identification of the test standard used and the date of issue of the standard.
b) Reference to this document may only be made if the full set of tests is performed and
reported, except where the deviations are clearly justified in 8.5 b).
c) Other relevant documentation with the documentation date.
8.5 Test procedure
a) Description of the test procedure.
b) Justification for any deviations from, additions to or exclusions from the referenced
standard.
c) Any other information relevant to a specific test such as environmental conditions.
d) Configuration of testing assembly and measuring set up.
e) Location of the arrangement in the testing area and measuring techniques.
8.6 Testing equipment, description
Description of equipment used for every test conducted, for example presses, air
compressors.
___________
It is suggested to insert in the test report a specific declaration to avoid its misuse. A declaration example is
“This type test report may not be reproduced other than in full, except with the prior written approval of the
issuing test laboratory This type test report only covers the samples submitted for test and does not produce
evidence of the quality for series production.”

– 16 – IEC 62561-5:2017 © IEC 2017
8.7 Measuring instruments description
Characteristics, serial number and calibration date of all instruments used for measuring the
values specified in this document, for example dynamometers, air boost gauges.
8.8 Results and parameters recorded
a) The required passing criteria for each test as defined in the standard.
b) The relevant measured, observed or derived results of the tests.
The above shall be presented by tables, graphs, drawings, photographs or other
documentation of visual observations as appropriate.
8.9 Statement of pass/fail
A statement of pass/fail is necessary, identifying the part of the test for which the specimen
has failed and also a description of the failure.

Bibliography
[1] EN 124 (all parts), Gully tops and manhole tops for vehicular and pedestrian areas –
Design requirements, type testing, marking, quality control
[2] EN 1253 (all parts), Gullies for buildings
[3] EN 1253-1:2015, Gullies for buildings – Part 1: Trapped floor gullies with a depth water
seal of at least 50 mm
[4] IEC 62305 (all parts), Protection against lightning

___________
– 18 – IEC 62561-5:2017 © IEC 2017
SOMMAIRE
AVANT-PROPOS . 20
INTRODUCTION . 22
1 Domaine d'application . 23
2 Références normatives . 23
3 Termes et définitions . 23
4 Classification . 24
4.1 Regards de visite d'électrode de terre . 24
4.2 Joints d'étanchéité d'électrode de terre . 24
5 Exigences . 24
5.1 Généralités . 24
5.2 Instructions d'installation . 24
5.3 Regard de visite d'électrode de terre . 24
5.4 Joint d'étanchéité d'électrode de terre . 24
5.5 Marquage . 25
6 Essais . 25
6.1 Conditions générales d'essais . 25
6.2 Regard de visite d'électrode de terre . 25
6.2.1 Généralités . 25
6.2.2 Essai de charge . 26
6.3 Essai d'étanchéité du joint d'électrode de terre . 27
6.3.1 Electrode de terre dans un regard étanche . 27
6.3.2 Electrode de terre dans ou à travers du béton étanche . 28
6.4 Instructions d'installation . 29
6.4.1 Conditions générales pour les essais . 29
6.4.2 Critères d'acception . 30
6.5 Marquage . 30
6.5.1 Conditions générales pour les essais . 30
6.5.2 Critères d'acceptation . 30
7 Compatibilité électromagnétique (CEM) . 30
8 Structure et contenu du rapport d'essai . 30
8.1 Généralités . 30
8.2 Identification du rapport . 31
8.3 Description de l'échantillon . 31
8.4 Normes et références. 31
8.5 Procédure d'essai . 31
8.6 Description des équipements d'essai . 31
8.7 Description des instruments de mesure . 32
8.8 Résultats et paramètres enregistrés . 32
8.9 Mention de réussite/d'échec . 32
Bibliographie . 33

Figure 1 – Installation d'essai pour l'essai de charge . 26
Figure 2 – Installation pour l'essai d'étanchéité . 27

Figure 3 – Exemple d'installation d'essai pour la profondeur de pénétration d'eau sous
pression . 29

Tableau 1 – Paramètres pour le béton utilisé pour l'installation d'essai . 28

– 20 – IEC 62561-5:2017 © IEC 2017
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
____________
COMPOSANTS DE SYSTÈME DE PROTECTION
CONTRE LA FOUDRE (CSPF) –
Partie 5: Exigences pour les regards de visite et les joints
d'étanchéité des électrodes de terre

AVANT-PROPOS
1) La Commission Electrotechnique Internationale (IEC) est une organisation mondiale de normalisation
composée de l'ensemble des comités électrotechniques nationaux (Comités nationaux de l’IEC). L’IEC a pour
objet de favoriser la coopération internationale pour toutes les questions de normalisation dans les domaines
de l'électricité et de l'électronique. A cet effet, l’IEC – entre autres activités – publie des Normes
internationales, des Spécifications techniques, des Rapports techniques, des Spécifications accessibles au
public (PAS) et des Guides (ci-après dénommés "Publication(s) de l’IEC"). Leur élaboration est confiée à des
comités d'études, aux travaux desquels tout Comité national intéressé par le sujet traité peut participer. Les
organisations internationales, gouvernementales et non gouvernementales, en liaison avec l’IEC, participent
également aux travaux. L’IEC collabore étroitement avec l'Organisation Internationale de Normalisation (ISO),
selon des conditions fixées par accord entre les deux organisations.
2) Les décisions ou accords officiels de l’IEC concernant les questions techniques représentent, dans la mesure
du possible, un accord international sur les sujets étudiés, étant donné que les Comités nationaux de l’IEC
intéressés sont représentés dans chaque comité d’études.
3) Les Publications de l’IEC se présentent sous la forme de recommandations internationales et sont agréées
comme telles par les Comités nationaux de l’IEC. Tous les efforts raisonnables sont entrepris afin que l’IEC
s'assure de l'exactitude du contenu technique de ses publications; l’IEC ne peut pas être tenue responsable de
l'éventuelle mauvaise utilisation ou interprétation qui en est faite par un quelconque utilisateur final.
4) Dans le but d'encourager l'uniformité internationale, les Comités nationaux de l’IEC s'engagent, dans toute la
mesure possible, à appliquer de façon transparente les Publications de l’IEC dans leurs publications nationales
et régionales. Toutes divergences entre toutes Publications de l’IEC et toutes publications nationales ou
régionales correspondantes doivent être indiquées en termes clairs dans ces dernières.
5) L’IEC elle-même ne fournit aucune attestation de conformité. Des organismes de certification indépenda
...