21 ATTACHMENT PLUGS, ATTACHMENT-PLUG RECEPTACLES AND PLATES, BRASS-SHELL BASES, CURRENT TAPS, CANOPY SWITCHES, ENCLOSED FUSE CONTACTS, ENCLOSED FUSE CUT-OUTS, ELECTROLIER SOCKETS AND SWITCHES, EDISON PLUG CUT-OUTS, FLUSH RECEPTACLE PLATES, INTERCHANGEABLE PORCELAIN BASES, PORCELAIN SWITCH BASES, PARTS OF SOCKETS, PORCELAIN PARTS FOR ENTRANCE AND PANEL SWITCHES, RECEPTACLES, ROSETTES, SHADE HOLDERS, SOCKETS, SHALLOW-TYPE FLUSH SWITCHES