... , ISO9001, ROHS approval, anti-flaming PC or ABS. Telephone and computer socket 2135 European wall telephone and computersocket (outlet), copper contacts, stainless ... ABS. Manycolors. CAT 3 connection RJ-11, four-polar telephone socket. CAT5 (CAT 6, CAT 5E)connection RJ-45, eight-polar computer socket.