Socket recessed XEF-1R yellow/green 1000V AC/1500V DC- CAT III

. Insulated, rigid, Ø 4 mm, accepting spring-loaded Ø 4 mm plugs with rigid insulating sleeve. Machined brass. The sockets are screwed into predrilled panels of plastic, metal, etc. Flat connecting tab 4.8 mm × 0.8 mm.