ul-542.9Fluorescent Lamp Starters
UL 542
1 Scope
1.1 These requirements cover automatic and manual starters 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.