UL 542-1999 PDF

Scope: 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. These requirements also cover lampholders intended for use with low-pressure sodium lamps. Deleted February 20@ 2003

UL 542-1999 history

2018 UL 542 BULLETIN-2018 UL Standard for Safety Fluorescent Lamp Starters (COMMENTS DUE: December 5@ 2018)
1970 UL 542-2018 UL Standard for Safety Lampholders Starters and Starter Holders for Fluorescent Lamps
2014 UL 542 BULLETIN-2014 UL Standard for Safety Fluorescent Lamp Starters (COMMENTS DUE: September 8@ 2014)
2009 UL 542 BULLETIN-2009 UL Standard for Safety Fluorescent Lamp Starters (COMMENTS DUE: September 22@ 2009)
2005 UL 542-2005 UL Standard for Safety Fluorescent Lamp Starters (Ninth Edition; Reprint with Revisions through and Including November 12@ 2009)
2004 UL 542 BULLETINS-2004 04/09/2004 (118p)
2004 UL 542 BULLETIN-2004 UL Standard for Safety Fluorescent Lamp Starters
2002 UL 542 BULLETINS-2002 UL Standard for Safety Fluorescent Lamp Starters (09/03/2002 (8p); 06/28/2002 (2p))
1999 UL 542-1999 UL Standard for Safety Lampholders@ Starters@ and Starter Holders for Fluorescent Lamps (Eighth Edition)
1994 UL 542-1994 UL Standard for Safety Lampholders@ Starters@ and Starter Holders for Fluorescent Lamps (Seventh Edition; Reprint with Revisions Through and Including July 16@ 1998)