The nickel plated brass body is supplied with an insulation washer, solder tag, fixing nut and washer. Electrical connections are made via the solder tag and body return.,The caps incorporate a nickel plated brass screw with polycarbonate fresnel lens. The lens has a flat top with fully visible sides.,Either a T1 LED or filament lamp with sub-midget flange bases are suitable for use with this indicator, refer to this section.