Description
in a tough black case with a yellow rubber surround that helps protect them from knocks. Each has a printed label with a table that explains the light patterns, so you can read the result without a manual. Both are marked with the CE symbol.
Socket Tester ST-01
This tester shows three indicator lights and checks the common wiring faults. The chart on the front lists the patterns for:
- Correct
- Open neutral
- Open earth
- Live/neutral reverse
- Live/earth reverse
- Live/neutral/earth reverse
RCD Tester ST-02
This tester also shows three lights, and as well as checking the wiring, it is marked for testing whether a residual current device (RCD) trips. The chart on the front lists the patterns for:
- Correct
- No earth
- Live/neutral reverse
- Live/earth reverse
- RCD does not trip
Both testers are marked with a voltage range and a 30 mA rating, which is the standard rating for a domestic RCD.
Key features
- Plug-in socket tester ST-01 with a chart of six wiring conditions
- Plug-in RCD tester ST-02 with a chart of five conditions, including “RCD does not trip”
- Three indicator lights on each tester
- Printed chart on the front, so no manual is needed to read the result
- Tough black case with a yellow rubber surround
- CE marking printed on the front
- Suitable for electricians, landlords, maintenance teams, and homeowners





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