W4 Mains Socket Tester
W4 Mains Socket Tester
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Check the wiring indication at a suitable UK mains socket with this compact plug-in tester. It is useful when touring and checking a campsite supply for common wiring faults or reversed polarity before connecting equipment.
Key features
- Plug-in mains socket tester
- Indicates common wiring faults
- Checks for reversed polarity
- Compact format for touring
Product details
Supplier code J460; W4 model 20018. Use only with the socket type and supply specified in the supplied instructions.
Use and care
Read the indicator key carefully. A plug-in tester does not replace a full electrical inspection or prove an installation safe. Stop using a suspect supply and seek qualified assistance if a fault is indicated.
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