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This Mains Tester from W4 is a quick and easy way to ensure all your caravan electrical circuits are wired correctly. Simply plug it into a 13 amp socket and the tester will indicate any faults.
Product code: 15894006 / 150976
Key featuresexpand_more
Features
Quick and easy to use
Plugs into a 13 amp socket
Indicates faults with a series of lights
Especially useful for checking for reverse polarity when touring on the continent
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