Tuff Terrain MC4 connectors hook your solar cables together and keep the current moving where it needs to go on the roof or at camp. Snap-in locks grab the matching connector halves which stops them pulling apart when the cable snags on racks or frames. UV-rated housings handle full sun all day, meaning you can get out there without fussing over the wiring every season.
Cable glands bite onto 4–6 mm² solar cable to keep the conductors supported when you move panels around. Metal terminals seat against each other inside the MC4 body which keeps voltage drop down between panel and regulator. Polarity-keyed shells stop you twisting the wrong pair together, as the shapes only mate in the correct orientation. Compact housings slide easily into junction boxes which helps keep the rest of your setup neat.
Cable glands bite onto 4–6 mm² solar cable to keep the conductors supported when you move panels around. Metal terminals seat against each other inside the MC4 body which keeps voltage drop down between panel and regulator. Polarity-keyed shells stop you twisting the wrong pair together, as the shapes only mate in the correct orientation. Compact housings slide easily into junction boxes which helps keep the rest of your setup neat.