ElekTek Lamp Holder Unswitched B22 BC Bayonet Cap with Shade Ring 1/2" 26TPI Threaded Bottom Entry Made in UK Chrome

Standard UNSWITCHED B22 (22mm) bayonet cap Lamp Holder with shade ring - suitable for bulbs up to 200W (for SWITCHED B22 version, ElekTek Safety Switch available in separate listing which cuts power to the plunger contacts when a bulb in not in place) Hand assembled - easy to separate for fitting: simply remove the thin upper shade ring by unscrewing anti-clocwise; hold base with the Earth terminal pinched between thumb and index finger and unscrew thicker lower ring by unscrewing anti-clockwise. When re-assembling ENSURE ceramic insert is aligned correctly in base & body alignment slots are aligned with ceramic insert Internal locking screw mounted in a separate riveted & threaded base ensuring your lighting does not come apart with use (beware of cheaper, pressed type bases that cannot carry a locking screw) - loosen screw, thread onto existing threaded fitting and tighten locking screw before wiring This 22mm BC (bayonet connector) lamp holder is intended primarily for attachment to a male 10mm or 1/2" threaded tube WARNING: All metal light fittings must be earthed