Mains Tester - Silver / One Size
W4 Mains Tester: An essential for electrical safety in caravans and boats which are wired for mains use. Smiply plug this into a 13amp socket to check neutral connections, earth connections, reversal of live/earth connections or non-connection of live or neutral. Especially important when touring on the continent, where reversed polarity may be encountered.
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£13.00
RRP
£15.29
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