
Mains Tester
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.
Original: $13.00
-70%$13.00
$3.90More Images

Mains Tester
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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Product Information
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Description
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.























