EXTENSION BOX TO EXTEND A LOAD CELL CONNECTING CABLE. USABLE IN EXPLOSIVE ATMOSPHERES IN INTRINSICALLY SAFE ELECTRICAL CIRCUITS. IP66, DIMENSIONS 80 X75X57 MM. CAUTION: IF SEVERAL LOAD CELL CONNECTION CABLES ARE EXTENDED AND CONNECTED IN A JUNCTION BOX SIWAREX JB, THE CABLE GLANDS M16X1.5 MUST BE REPLACED. PER LOAD CELL YOU NEED: 1 X EMC CABLE GLAND M20X1.5, 1 X EMC EXPANSION PIECE M16X1.5 - M20X