PDF Standards UL 542

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Lampholders, Starters, and Starter Holders for Fluorescent Lamps

UL 542

1 Scope

1.1 These requirements cover starters, starter holders, and lampholders intended for use with fluorescent lamps in accordance with the National Electrical Code. Starters for use with simple reactance-type fluorescent-lamp ballasts are intended for use in circuits involving a potential of 125 V maximum. Manual starters incorporating a line switch are rated either 125 or 250 V. Starter holders are for use in circuits involving a maximum of 250 V. Lampholders are intended for use with fluorescent lamps involving a potential of 2500 V or less during either starting or operating conditions.

1.2 These requirements also cover lampholders intended for use with low-pressure sodium lamps.

Product Details

Edition:

9th

Published:

07/11/2005

Number of Pages:

24

Note:

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