The DNO earthing on a TN-S supply to the MET block is no more than 6mm. On the customers side the Main earthing from CU to MET is in 16mm and the bonding to the Gas and Water is in 10mm.
The Ze readings are low at 0.13, is there a requirement to get the earthing from the MET to the supply head...
This is a challenge for both Trainees and Mentors alike.
Terminate a ceiling rose with a loop in/out using twin & earth and lets see how good you can do it? :tounge_smile: Easy challenge for all of us and I'm expecting nothing but excellence from the mentors :shocked:. Marvo, Sintra...
Have a job to fit 9 fluorescent fittings in a very large marquee made up with large aluminium poles . I want to run the circuit in conduit , can anybody tell me if there is anything out there I can use to secure the conduit to the aluminium poles making up the roof of the marquee . I have found...
Hi All,
i am replacing an old Megger and am currently looking at a 1710 replacement. It is on the net and currently showing Err29.
would anyone know if this is a minor fault or is it a case of a picture taken wit no leads attached please?
hope to hear from someone at their earliest convenience.
Hi been a while since I posted. I sorted my previous lighting issue out in the pantry I have a query on another task.
I currently have a one gang light switch in one room and in another area I have run a new cable for yet another light I was wanting to wire this to the existing switch with a...
Hi just thought i would show you guys some photos of the work iam trying to replace.Photo 1 is 4core 35sq mains feed to 2 storey office block, no2 is i.5 feeding lighting in several offices this is the best photo of the circuit the rest contain old rubber,single pvc only surface,conectors...
A strange one, but possibly someone on here has experienced this problem?
1 bedroom flat, sockets for flat are all on 1 ring final. Loads on the ring include a microwave, kettle, toaster, fridge freezer, plus an extension lead with an amp a PS3 and TV plugged in.
When turning on an appliance...
Electrical plant-room explosion caught on tape.flv - YouTube
Just found this clip gotta take a look
CAUTION very graphic footage, didn't mean to be flippant with title but maybe should have been more thoughtful.
You have been warned.
another sky/tv related question , i wish i knew more about this subject!! )
the house i am working in has a strong dtv aerial feed and sky plus supply into the back of a HD sky decoder in the living room. the living room tv is fed via hd cable from that point.
the rf out of the SKY HD box...
Hi all.
As I understand it, exported earth is only an issue for PME situations? Therefore, when a domestic installation is a TT and power is to be brought out to a remote outbuilding, is there a requirement to fit a second earth electrode and if so, should this be independent of the house TT...
Saw this in someone's loft. Funny thing is, obviously old but the house is rented and had a EICR from 2 month ago....something tells me wwhoever done it could be arsed to look anywhere
Has anyone seen the picture of the consumer unit in PE this month on the letters page. Was this some kind challenge to see how many different makes of mcb could be fitted in the same board. The mind boggles!!! considering it is supposed to have been...
Found this argument on the IET website and it made for interesting reading at work!
http://www.------.org/resources/wiring-regulations/ringcir.cfm?type=zip
This is a mate's 'fuse board' they asked me to come and look at. Now I fixed a couple of hall lights but anything involving anything on that board - WAY out my depth yet, wouldn't want to try a whole rewire anywhere myself, let alone on this.
It all seems functional - and I'm assuming most...
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