Availability: In Stock
Stay safe on your travels with the W4 Mains Socket Tester in Orange (Product Code: 20018). Designed for caravans, motorhomes, and boats wired for UK mains use, this compact tester quickly checks for common wiring faults, including reverse polarity—an essential check when touring across Europe. Simply plug it into any standard 13A socket, and the LED indicators will confirm whether the earth, live, and neutral connections are correctly wired. Lightweight and easy to use, it’s a must-have tool for peace of mind on any electrical hook-up. Tester only.
Ideal for caravans/motorhomes. A quick and easy way to ensure electrical circuits are wired correctly, simply plug into a 13 amp socket and the tester will indicate with a series of lights if there are any faults.
Especially useful for checking for reverse polarity when touring on the continent
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