Mains Tester
Suitable for use in the caravan, motorhome, boat and at home. Designed to ensure in a quick and easy way (simply plug in to a 13 amp socket) to ensure that electrical circuits are correctly wired. Easy 3 lamp indication. Useful for checking suitability of mains supply after connecting your caravan or motorhome, to a hook up point. Especially important for use in Europe.