Boxes adapted for use with electrical power supply apparatus and/or sockets; electrical apparatus for the distribution of electric power; electrical sockets and socket outlets; boxes adapted for use with electrical sockets and/or for housing electrical apparatus; connector sockets, ducts for trunking electrical power cables, ducts for housing electrical wires and cables, electrical power outlet boxes, electrical power supply apparatus, electrical power distributors, housings for electrical apparatus, electric cable boxes, electric connector boxes; electrical connectors and electrical terminals as well as boxes adapted therefor; power distributing apparatus for lighting as well as housing therefor; apparatus for controlling lighting as well as housing therefor.;