UL 496:2017

$98.80

Lampholders

Published By	Publication Date	Number of Pages
UL	2017-09-05	115

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Category: UL

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Description

1 Scope

1.1 The requirements of this standard cover holders and connectors for electric lamps, including incandescent, fluorescent, and other electric-discharge-type lamps, rated as indicated in Clause 6, to be used in accordance with the Canadian Electrical Code (CEC), Part I, C22.1, and the National Electrical Code (NEC), ANSI/NFPA 70.

1.2 These requirements cover screw lampholders, including those intended to be mounted directly on an outlet-box, lampholders for special uses, lampholders for electric signs, and adapters that convert one lampholder size to another.

1.3 These requirements also cover holders for automatic starters used with fluorescent lamps.

1.4 These requirements also cover GU24 and GU24-1 holders for fluorescent and LED self-ballasted lamps and fluorescent lamp adapters with mating pin bases.

1.5 These requirements also cover indicator lamps.

1.6 These requirements also cover lampholder inserts.

1.7 These requirements also cover naval-use lampholders. See Supplement sb.

1.8 These requirements do not cover fluorescent self-ballasted lamps and fluorescent lamp adapters covered in UL 1993.

1.9 These requirements do not cover seasonal-lighting lampholders, which are covered in UL 588, and CSA C22.2 No. 37.

1.10 These requirements do not cover electrode receptacles for use in gas-tube signs, which are covered in UL 879 and CSA C22.2 No. 34.

1.11 These requirements do not cover devices requiring a cross-bar, mounting strap, or other mounting means; such devices are considered to be luminaires.

1.12 These requirements do not cover nightlights, which are covered in UL 1786 and CSA C22.2 No. 256.

1.13 These requirements do not cover ceiling outlet-box lampholders that incorporate one or more of the following features:

a)    more than one lampholder;

b)    provisions for conduit connection such as openings or knockout;

c)    an integral ballast, transformer or power supply; or

d)    a lamp shade or lamp guard that completely encloses the lamp.

Such devices are covered by UL 1598 and CSA C22.2 No. 250.0.

1.14 In Canada, general requirements applicable to these products are provided in CAN/CSA-C22.2 No. 0.

Additional information