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Hi there.
I’m hoping for some advice.
I currently run a small limited company that provides IT services, both commercial and domestic so I...
- Redirect
Hi all
Was looking in to the adibatic equasion as our company will not let us add on to a Ring circuit with 1mm cpc..
I want to give some...
N/A
I am writing to express my strong interest in joining your esteemed organization as I embark on the next phase of my career in the field of...
Can you feed a consumer unit from another consumer unit, It would be supplied by a non RDC protected MCB. Is this allowed as I have always seen...
Ok, installing a new CU with type 2 SP. The installation has an existing PV 6 panels protected by a 16a MCB at the fuse board. TBH I don't really...
an overload current is classified as an overcurrent occuring in a circuit which
is electrically sound
has a fault between phase conductors
has...
Can you get 2 4mm T & E cables down a 25mm conduit that only has a kick and a female bush one end and a 2 g socket including a bush the other end ?
I'm getting an old fuse board upgraded in an office block. The electrician has just told me that most of the circuits don't have earth cables...
Can anybody help me with this......I understand the concept of the equation I2 ≤ Iz1.45, however what I’m not sure about is how we obtain I2...
Just wanted to know which people use.
My case.
Client converting attached garage into new rooms. Consumer Unit has to move to accomodate this...
Hi, My first post so hopefully I am correct in posting it here.
My question is, I am thinking of an IP rated outdoor socket for the back garden...
Do i need an earth rod if i am running a supply to a shed/outbuilding ?
The incoming supply to the house is tnc-s
A switch i saw today has a T+E in the switch and only a single T+E in the light fitting.
I'm presuming this means it's junction boxed somewhere...
Shouldn't the lines from the first switch both go into the L1 L2 on the intermediate switch?
I've scoured the internet for what these do and am coming up short on finding information.
What are these for? (ie what specific problem are they...
Hello,
I am in the process of purchasing a property. I have made an offer, and after my own little survey, I noticed a few issues with the...
Max resistance for an EV earth rod. Would anyone be able to break the formula down or direct me to a video etc with a sample?
I'm booked on the...
Can anyone shed some light on this in practical terms? Seems to say if earth leakage is over 10mA you need to run a 10mm cpc?
Customer wants me to mount his EV charger on the back of an external, plastic meter cabinet. The cabinet is a new plastic one at the other side of...
Can someone explain electrically why we can spur unfused from a ring final on a 32a breaker when the cable is 2.5mm rated at max 27a?
Just wanted to say what an amazing book this is. Think I paid 30 quid for it. Its like the on site guide but much easier to read. Great for...
From another thread:
I'm thinking about this and it's got me all confuzzled.
Don't fuses protect anything downstream ie my laptop's charger...
https://ibb.co/qRhctQk
Came across this setup today, upon further investigation i noticed the distributors neutral terminal completly slackened...
Just reading through my Student's Guide and wondering about nominal amperage.
If guaranteed trip is 5x nominal amperage, what's to stop 2.5mm...
Howcomes we use eg a 3a fuse from the FCU to feed a boiler that has 1.5mm wiring? Wouldn't a 13a still be ok and if not, why not?
TIA
Hi,
A question to all the sparkles out there who could explain this mess to me please.
Bought a house built in 2000’s found this
2.5mm2 cable...
Just saw a vid of someone putting in a CU on unistrut in a domestic property (why, i don't know), and one of the comments said it fails the regs...
A relative recently had an electrical certification done on a rented property. The property was build in 2005 and had previously passed 3...
Hi,
Wickes have just finished installing a pump under the bath. The socket is next to the pump but it is unaccessible due to a sealed bath panel...
Just to notify all those who have not been informed about the Corrigendum to BS_7671:2018+A2:2022 ,This will be published on may 15th 2023.
it...
Hello Everyone,
I have a technical question that I hope someone can help clarify.
We're currently facing an odd issue with a machine equipped...
Don't come across this very often - but I've had a CU delivered for a caravan job (not static btw), and it's been supplied with a neutral...
I'm a property owner who is needing to get an old electrical installation NICEIC certified.
One of the buildings is a small office block with 6...
Hello :)
I'm confused about EFLI which I am guessing should be relatively straight-forward.
I can't get my tired brain to figure out how to...
Hi, I'm currently in my year of my apprenticeship looking for some help with the 2 plate method (feeding the switch). I understand it up to the...
Dear Sir,
I'd build a simple voltage divider charger with 1 Amp diode from 4.8 AC - DC adapter (500 ma - output volatge - 4.15Volt) to charge...
Hi
This is about a design problem in an assignment.
A cable basket containing several circuits passes horizontally through an internal concrete...
hello all
have a couple of questions re-some decking lights. I have fitted by Electrician around 10 years ago,
He’s spured off an existing...
Hi all,
My mother wants a double socket adding next to a desk, behind the desk there is a 10mm (i dont know the MCB in the Consumer Unit) which...
We have an Economy 7 meter and tariff.
There are 2 separate fuse boards and one meter with the dual rate on.
Am i right in thinking that ANY...
Work has booked me in for a CU change on the second floor of a 7 storey block of flats. They are under the impression that AFDD's only need too be...
Hi,
I've just had some electrical work completed in the bathroom; I've recently refurbished the bathroom, replacing the old electric shower with...
Question about the Definition of #6 wiring standards for Thailand as of 2023?
I am having a House/Villa built in Thailand and I wanted to wire...
Hello
How to wire from dehradun to delhi from road who will make this possile
Hi everyone, this ones a first for me but weve been asked install and use a three phase supply in a large new build house. The 16 way dis board is...
Bit of advise if anyone has time.. I have a customer who brought a new kitchen from wrens. Customer has had the route to the kitsch redecorated...
Hi all,
First post here, hope I'm compliant with the rules! I did do a quick search before asking this, but I couldn't quite come up with the...
When doing an EIC for an additional circuit (which only covers that circuit), does the 'main switch/switch-fuse/circuit-breaker/RCD' section refer...
So, I'm out on site the other day and the apprentice is installing some SY cable for a ring final circuit. Anyway, we got chatting and he mentions...
Apologies if this is in the wrong section - appreciate it's more of an educational question. That said I have 2391 - but the classroom environment...
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