W4 Universal Testing Kit – UK & European Mains Supply Tester
The W4 Universal Testing Kit provides everything you need to safely test campsite electrical supplies, both in the UK and Europe. Ideal for caravans, motorhomes and campervans, this kit is especially useful for checking polarity reversal at the source before connecting your leisure vehicle to the mains.
Simple to use and compact to store, the kit ensures peace of mind by helping you verify that the site’s electrical hookup is wired correctly and safe to connect to.
How to Use
- UK 3-Pin Socket: Use the mains tester only
- European Standard 3-Pin Socket: Use the trailing socket together with the mains tester
Key Features
- Tests campsite electrical supply in both the UK and Europe
- Ideal for identifying polarity reversal issues
- Compatible with UK 3-pin and European 3-pin sockets
- Essential safety accessory for caravans, motorhomes and campervans
- Compact, portable and easy to use
