Description:

Any acceptable hazardous locations/environmental protection, any acceptable body material, any acceptable body surface treated.

Properties:

A compact, sealed, electrical component, specifically designed to supply direct illumination for reticles in optical instruments, dials and/or scales and level vials on mechanical devices. May include battery source, filters, cables and controls for intensity of illumination. Provides method of securing. Excludes light, panel. Do not use if a more specific name exists.