WEATHERPROOF ISOLATING SWITCH, Weather Proof isolators, waterproof isolator switch, waterproof isolating switch, weather proof WEATHERPROOF ISOLATING SWITCH / Weather Proof isolators, waterproof isolator switch, waterproof isolating switch, weather proof isolating ... and out from underground3.In and out straight through the switch.4.two 25mm rear knockouts are moulded in the base.for ...