Questions and electrical advice in the Electrical Wiring, Theories and Regulations - Discussions on all electrical regulations in the UK. Including Part P, BS 7671, DPC BS7671:2008, BS 7671:2001 & 2004 Amendment No.2, IEE wiring regulations, 16th Edition and 17th Edition and 18th Edition.
Some popular forums: Electrical Forum - Electrical Wiring, Theories and Regulations - Periodic Inspection Reporting & Certification - Electrical Jobs
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...
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...
Hi all,
My question relates to the omission of overcurrent protection (specifically overload and fault protection) at the origin of an...
My 1990 property does not have the lighting circuits protected by the Distribution Board RCCB.Only the power circuits are protected.If I get a...
- Question
I have a question about a school circuit called a capacitor in an AC circuit. The capacitor is connected directly to the AC source and the phase...
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...
Hi all,
Was wondering if you could help please.
I'm looking to fit a BG IP66 external socket mainly for occasional jet wash/vacuum usage and...
Hi there,
We're currently having a new kitchen fitted and in the process we've had some new electrical work done. The electricains are comeing...
Hi everyone, I'm hoping someone here can help. I recently did some carpentry work for a new customer and I noticed their electrician had just...
Hi there,
We're currently in the process of getting a new kitchen fitted and I wanted to double check the new wiring that has been installed...
Hi, I'm not an electrician but have worked as a mate and I'm studying in my own time - I know my limitations. I watch a lot of videos (John Ward...
I am trying to understand this rule, but it is not clear to me what determines the direction of the force lines. Can you help me?
- Question
I have a question about a pulse source for a mobile phone charger. I read on the Wiki that the power supply is first rectified, then oscillated to...
Hi all,
I need help/feedback.
I am modifying a machine. I have added an aluminium profile frame (enclosure ) to a machine (the machine will be...
Hi all
I am new to this forum and hope this is right placed and of interest. I would like to make a setup with one or more impulse relays...
Hi, we need to joint several 95mm² 4 core SWA cables, the joints kit are Prysmian JST Low Voltage Universal Cable Joints and are supplied with...
Why would I be getting 94v between cpc of twin and earth terminal at DB?
Connected into rcbo with the other end 3 cores separated, nothing connected.
This question has been raised several times in the past, I thought it was now a requirement, but there still seems to be some confusion in the...
Hi, I have recently had 18 solar panels (390W) fitted to my roof. The system is a GivEnergy. A Gen 1 Hybrid 5kW inverter (Gen2 version could not...
I’m debating on a landlords forum on the use of “change of occupancy” on an EICR.
A large number of landlords feel this is to much, and it should...
I have old home that still has a fuse panel in the basement. However, last week I was trying to find the fuses for the lights and outlets upstairs...
https://ibb.co/0M0SjNs
Would you consider these downlights class 1 or 2?
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...
Hello everyone,
I would be happy to hear your opinion about wiring RCBO inside switchboboards, panels. Here I attached some example.
We have 9...
Helloo guys,
First post, so sorry if this is dreary! I'll try keep it simple...
I have a client with a distribution circuit supplying AC...
Hi folks. Im a RECI contractor based in Co Sligo, Ireland . I was doing erroneous testing on a domestic board which gave me readings between 90V-...
Just doing a mock exam i've got from college and one of the questions is regarding the colour sheathing on MICC cables;
I know that red is...
Hello
I am hoping to find a definitive answer to this as heard.
Socket height regulation of 450mm is for new builds only not for old houses...
Hello everyone
Where I can download the health & safety policy , quotation estimation and risk assessment template for a small electrical firm...
I am a lecturer teaching electrical installations and in reading through the on-site guide to prepare a lesson I have come across a section I have...
- Question
Hi, I am hoping you can help me please.
My wife purchased some American Christmas lights from a friend, it has a two pin American plug on them...
I'm working on a site in the UK where a joinery company will be installing bespoke vanity cabinets.
The cabinets will have MDF/mirrored doors with...
I have more experience in the industrial/ commercial field but will soon be more of a domestic spark...
In a domestic situation:
chasing the...
Hi all,
I am a BIG fan of the Wago connectors, but am I required to enclose them in a box? They seem to me, to be very well insulated in...
in the old bpg4 it stated
Absence of supplementary bonding for installed Class II equipment where required (such as
in a location containing a...
I've been told I need to upgrade the main earth bonding to 16mm.
The consumer unit is on the wall adjacent to the externally mounted incoming...
Hi,
The current carrying capacity tables in the BS 7671 for twin and earth cables are only for buildings that have thermal insulation. I'm...
Hi All,
First of all apologies for the potentially novice sounding question believe it or not I’ve been a qualified electrician for 10 years but...
Customer has a set up using Electrak 63A under floor busbar, fed in 10mm armoured and backed up with a 63A c type mcb.
From this he has 32A...
hi there, i'm not sure if this is the right forum to post?
the blue cable wire on the immersion heater keeps burning out and as happened so...
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