Old Electrical Equipment - ROLLS light switch with backplate

Round plastic surface mounted light switch with square plastic backplate.

Complete switch

Round plastic light switch made by ROLLS Switches Ltd Round plastic light switch made by ROLLS Switches Ltd The complete switch. The two screws fix the round cover to the round switch behind.

Text on the back

World Patents Type S5250

Common if 2 Way

ROLLS Trade Mark
A.C. ONLY
5 AMPS 250 VOLTS

Made in the British Isles by Rolls Switches Ltd

Backplate

Round plastic light switch made by ROLLS Switches Ltd Round plastic light switch made by ROLLS Switches Ltd The backplate is moulded plastic with no electrical components at all.

It is held in place by the switch itself - fixing screws for the switch pass through the two holes in the backplate.

The cable entered through the centre hole.

Backplate Text

ROLLS Trade Mark

Type P.B.-1 REG.DES.

Made in the British Isles

For surface wiring, file to size

Internals 1

Round plastic light switch made by ROLLS Switches Ltd Inside, the simple switch mechanism is completely exposed. Most of these metal parts would be live when power was connected.

Internals 2

Round plastic light switch made by ROLLS Switches Ltd The two larger holes in the back are for fixing screws, and line up with corresponding holes in the square backplate.

The small screws shown secure the cover to the switch.

 

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