Expert of wiring devices such as Twist Locking Receptacle and Plug.
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Heat shrinkable tubes are used to seal cord openings of waterproof plugs and connector body, ensuring waterproof properties.
Pass the cable through the grip and heat shrinkable tube in advance, connect wires to the body and mount the housing, cover the cable opening area with the heat shrinkable tube and shrink it using an industrial dryer or similar device, taking care to avoid damaging the cable. The shrinkage temperature of the tube is 130℃, the shrinkage starts from 50-60℃ and the tube shrinks to about of 1/2 of the indicated size. Finally, tighten the grip screw above the heat shrinkable tube to fix it.