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Full Description

1.1 These requirements cover light-sensitive control units of the plug-in, locking type, rated 480 V ac or less, for controlling outdoor electric lighting fixtures used for area lighting.

1.2 These requirements also cover receptacle devices equipped electrically and mechanically to receive the light-sensitive control units described in .

1.3 Shorting and open-circuit devices, used as substitutes, where necessary, for the light-sensitive control units described in , are also covered by the requirements in this standard, where applicable.

1.4 These requirements do not cover photoelectric switches, intended for residential, industrial or commercial use, of the non-plug-in, nonlocking type.

1.5 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.
 

Document History

  1. UL 773


    Plug-in, Locking Type Photocontrols for Use with Area Lighting

    • Most Recent
  2. UL 773

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    Plug-in, Locking Type Photocontrols for Use with Area Lighting

    • Historical Version