W4 Universal Mains Testing Kit Orange 20027
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All you need to test the site supply at source, both in the UK and Europe. Especially useful for testing for polarity reversal. Use as follows: UK 3-pin Socket: Mains tester only European standard 3-pin socket: Trailing socket with mains tester Continental 2-pin socket (schuko): Continental adaptor and trailing socket with mains tester.