W4 Mains Tester
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: 150976
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- 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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