Amendment 2 - Edison screw lampholders

Amendement 2 - Douilles à vis Edison pour lampes

General Information

Publication Date
Technical Committee
Current Stage
PPUB - Publication issued
Completion Date
Ref Project

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IEC 60238:2016/AMD2:2020 - Amendment 2 - Edison screw lampholders
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IEC 60238
Edition 9.0 2020-01
Edison screw lampholders
Douilles à vis edison pour lampes
IEC 60238:2016-07/AMD2:2020-01 (en-fr)
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IEC 60238
Edition 9.0 2020-01
Edison screw lampholders
Douilles à vis edison pour lampes
ICS 29.140.10 ISBN 978-2-8322-7689-1

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® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 60238:2016/AMD2:2020
© IEC 2020

This amendment has been prepared by subcommittee 34B: Lamp caps and holders, of IEC

technical committee 34: Lamps and related equipment.
The text of this amendment is based on the following documents:
CDV Report on voting
34B/2029/CDV 34B/2040A/RVC

Full information on the voting for the approval of this amendment can be found in the report

on voting indicated in the above table.

The committee has decided that the contents of this amendment and the base publication will

remain unchanged until the stability date indicated on the IEC website under

"" in the data related to the specific publication. At this date, the

publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
INTRODUCTION to Amendment 2
Some changes and corrections needed for IEC 60238 became obvious during the work
relating to the consolidated Edition 9.1 of IEC 60238.
Change 1:

Actual lamp holder safety standards require a ball pressure test in line with IEC 60695-10-2 in

sections “Resistance to heat, fire and tracking”. Within this test there is an alternative depth

indentation method described for the calculation of the indentation diameter.

This alternative calculation option was removed from the latest edition of IEC 60695-10-2

dated 2014 and during its meeting held in Sydney in 2018, SC 34B/WG1 agreed to delete the

alternative method as well from IEC 60238.
Change 2:
Based on IEC 60664-1:2007, "Non tracking materials":
"For glass, ceramics or ot

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