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Today I had an insulation test done by an EICR and one of the circuits was 60-70 MΩ, it started in 40 and progressively went up to 60-70MΩ in multiple tests. Rest of the tested circuits went up to 200MΩ with the given MFT model (could not see the model, only the brand, classic yellow Fluke)...

I was trying to check the equipment required for EICR testing and AFAIK, I see that the 6 in 1 like Megger 1825 can do all tests except for the functional and the visual inspection ones for obvious reasons. Continuity of protective and bonding conductors 🆗 Continuity of ring final circuit 🆗...

Lets say that the main circuit breaker has 40A, RCD 40A, we don't have a comb busbar, and we have to do bridges manually between 5 MCb with 25A, 20A, 16A, 16A and 10A respectively, which is the site that must be used in the inner sections I provide a diagram to show which are the cables I'm...

I've never had an XLPE cable on my hands. Anyone that has experience with XLPE cable and PVC, can tell me if XLPE is slightly less thick than PVC? For example, for a 6 mm2 cable in PVC and a 10 mm2 cable in XLPE, could I say they are almost the same (XLPE slightly thicker, but not as thick as...

If you had to test a whole installation that someone else have done, do you have a checklist of elements you shall be doing to see if everything is in the right place? I'm like to write it down. Some elements I've been thinking on, I would like if you could write 1 or 2 I've missed, I will be...

I have a main MCB with SPD all-in-one. I also have a power sensor for the solar inverter to pick the information from the main service entrance. Currently, I have the power sensor just in the first place before anything else, just in the main service entrance. But since I have the SPD-MCB I...

My distribution panel is 100% full except 1 spot and I have one Main Circuit Breaker, but one guy told me that it was a good idea to introduce a surge protection in the panel for the whole office, in fact, at least in my country, it has been introduced in the electricity laws somewhat recently...

I wondered if socket testers like Fluke ST120 stress too much, the circuits, specially when hitting the RCD button tester. After all, it sends a forced shock to the RCD and could end up burning it? If I have, for example, an installation with 80 sockets, with around 10 sockets per RCD I will be...

I built my house & office short time ago (I have everything integrated) I noticed that the electricity professional that did the work, had enough experience, but did things, from my perspective, without that interest that one should put, regardless the fact that the payment for the job was good...