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During a refurb job, it was required to re-site the existing meter position. The original installation was connected TT with a spike in ground reading 402 Ohms. As they were going to renew the overheads we asked for TNC-S and they said should not be a problem. The meter is on one side of...

Hey guys, I have a new install and I have racked my brains trying to decided how this can be, so if anyone has any ideas then please add your input. New House. Ring main at fuseboard all disconnected. Insulation Resistance L-L 0.0Meg Ohms, N-N 0.0Meg Ohms, E-E 0.0Meg Ohms. Continuity...

Hi All, I see that Type 2 Mcbs are no longer mentioned in tables under Maximum permitted Zs in the new 17th Regs. The new values are based on 230V instead of 240V, so I imagine it's just a case of doing the equation to find maximum permissible Zs when carrying out a PIR and finding type 2...

Hi, I have a problem with a Micron 50FF, where the temperature is set to Max, I have a pipe stat on the flow and return above the boiler, which is only getting to 50 degrees C, the boiler then cuts off and temp drops back to 30 degrees C before coming back on. The return is always about 5...