W4 Mains Tester B490

Picutre of Mains Tester B490
RRP £19.99 £14.99

Simply plug into a 13amp socket and the tester will check the following:

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Simply plug into a 13amp socket and the tester will check the following:

Neutral connections

Earth connections

Reversal of live/earth connections

Non connection of either live or neutral.

Plug into a 240v/13Amp socket and get an instant readout of wiring polarity and test for earth faults.

Particularly important for touring on the continent when reversed polarity may be encountered.

Specification: 240volt AC.

For use in 13amp outlets to BS1363.

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