I'm in the process of fitting a CU in my workshop can anyone tell me do i do testing at the new 2 way CU as i would on a domestic one or the main one in the house or both? I was thinking both
Before anyone says get a electrician in to do the job i'm a NICEIC domestic installer just not done this kind of job before.
Before anyone says get a electrician in to do the job i'm a NICEIC domestic installer just not done this kind of job before.