... Metallic Tubing or Conduit 1)UL797-2004 2)Pre-galvanized 3)Size:1/2''-4'' 4)Made in China Galvanized ... s unthreaded, circular cross-section, for protecting cables and wires.3,Easy bending, cutting and can use for many years.4 ... & COVER, WEATHERPROOF JUNCTION BOX & COVER, STEEL JUNCTION BOX/ EXTENSION, DUPLEX/ TOGGLE SWITCH COVERCLAMP AND HANGERCONDUIT HANGER, STRUT CLAMP, CLEVIS HANGER, SWIVEL LOOP ...