Skip to main content
cie

e-ILV

The e-ILV provides free access to all the terms and definitions contained in the international standard CIE S 017:2020 ILV: International Lighting Vocabulary, 2nd edition.

To search for another term please use  "Back to the list" to return to the main page or the e-ILV.

For the complete set of terms and definitions CIE S 017:2020 can be purchased from the CIE Webshop. Members of a CIE National Committee or Associate National Committee have access to a 66,7 % discount on the purchase price of the standard.

For advice on CIE Publications contact helpdesk@cie.co.at. Note the CIE Helpdesk cannot assist with technical enquiries.

17-28-015

cap

base

part of an electric lamp which provides connection to the power supply by means of a lampholder or lamp connector and, in most cases, also serves to retain the electric lamp in the lampholder

Note 1 to entry: In some cases a cap serves as a thermal connection to the luminaire (or its heatsink).

Note 2 to entry: A cap can be an integral part of an electric lamp.

Note 3 to entry: This entry was numbered 845-08-15 in IEC 60050-845:1987.

Note 4 to entry: This entry was numbered 17-119 and 17-76 in CIE S 017:2011.

Publication date: 2020-12
Copyright © CIE 2020. All Rights Reserverd.