The RCD (Residual current device) in an electrical installation, require RCD testing as part of the 18th edition regulations.
We have a range of RCD testers, available from Kewtech, Martindale, Megger. The RCD test is also, built into the many multifunction testers that we have available. However, some electrical contractors prefer to use the single RCD tester.
Contact us for further information or help with your selection on RCD Testers.