Hook Suspendable Lampholder BC / B22 Top Entry Shade Compatible (Lock Ring Included)
Height - 73.5mm
Width incl Shade Ring - 32mm
Width excl Shade Ring - 26.5mm
Especially useful with heavy glass shades or light fittings relying on being secured by the shade ring on the lampholder. This enables weight to be supported by a chain, instead of putting undue strain on cable.
Before starting any electrical work, always switch off at the mains. If in doubt consult a competent electrician