W4 Mains Tester

Grove

£9.99 

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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