MK Shaver/Toothbrush Socket Outlet design incorporates a double wound isolating transformer rated 20VA at 230 or 115 volts and meets BS EN 61558-2- 5:1998 making it safe for use in bathrooms. Insertion of a shaver/toothbrush plug automatically switches on by energising the primary side of the isolating transformer removal automatically switches it off. The transformer is protected against overload by an automatic solid state overload device with automatic resetting. Only one size of screwdriver required for installation. · · · Suitable for use with electric toothbrush chargers · · Integral over current device to protect transformer · · Safety interlocked shutters to prevent insertion of two plugs simultaneously · · Automatic primary supply switching on insertion of plug · · Top access terminal screws make wiring quicker and easier