Fused spur connectin sockets with support ring 71 x 71 mm

Fused spur connection box, British Standard (BS 1363-4) 13 A 250 V~ switched
System 55

Fused spur connection box, British Standard (BS 1363-4) 13 A 250 V~ switched, with control light 
System 55

Fused spur connection box, British Standard (BS 1363-4) 13 A 250 V~ not switched
System 55