- Perfect companion to making a cleaner RV solar installation- Waterproof MC4 cable glands (IP68 rated) come pre-installed and tightened to the correct torque- Tough, UV-resistant polycarbonate plate able to absorb impact energy without cracking, even at low temperatures -40°F to 170°F (-40°C to 80°C)- Molded-in rings seal against the underside of the screw heads- Inside jam-nut thread locked for vibration resistance
