Collection: Socket Testers

Socket Testers

Verify Your Earth Before You Ground

A grounding product can only deliver electrons from the Earth if the wall socket it connects to has a functioning earth connection. Our socket testers are simple plug-in devices — no batteries required — that instantly verify whether your socket is correctly wired. Just plug in and read the LED pattern: green means you're ready to ground; a fault indicator means you should switch sockets or consult an electrician before use.

Grounding products include a built-in safety resistor, so an ungrounded socket will not shock you. However, without a valid earth, the product cannot function therapeutically. Testing takes under five seconds and eliminates guesswork entirely.

Available Testers by Region

  • UK (Type G): For all standard 3-pin British sockets.
  • Europe / Schuko (Type C/F): For standard Schuko outlets across Continental Europe.
  • India (Type D): For Indian standard 3-pin sockets.
  • Israel (Type H): For Israeli standard sockets.
  • Australasia (Type I): For Australia, New Zealand, and China.
  • Switzerland / Italy / Brazil (Types J, L, N): 2-in-1 device — fits regional sockets and converts to a Schuko tester by removing the front adapter. 220–240 V only.
  • Denmark (Type K): For Danish standard sockets.
  • South Africa (Type M/N): For South African standard sockets.
  • North America (Type A/B): For US and Canadian 3-prong outlets.

Common Questions About Socket Testers

What does a socket tester do?

A socket tester is a simple, plug-and-play diagnostic tool. When inserted into a wall outlet, its LED light display instantly verifies whether that specific electrical socket is properly constructed with a working, functional earth ground wire.

Is it mandatory to test my outlets before using grounding products?

While not strictly mandatory in newer homes built to modern electrical codes, it is highly recommended. Using a tester is the only surefire way to guarantee your outlet actually provides an active path to the earth, ensuring your grounding mats and sheets function at 100% capacity.

Can I use one tester for my entire home?

Yes! Our socket testers are completely reusable. You can simply carry one tester from room to room—checking your bedroom, office, and living room outlets in seconds—before deciding where to set up your grounding connection.