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.

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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...
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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...
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563
Hi all, My question relates to the omission of overcurrent protection (specifically overload and fault protection) at the origin of an...
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364
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...
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176
  • 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...
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661
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...
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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...
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403
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...
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332
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...
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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...
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854
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...
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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?
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129
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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...
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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...
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229
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...
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332
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...
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191
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.
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447
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...
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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...
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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...
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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...
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246
https://ibb.co/0M0SjNs Would you consider these downlights class 1 or 2?
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277
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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583
Hello everyone, I would be happy to hear your opinion about wiring RCBO inside switchboboards, panels. Here I attached some example. We have 9...
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366
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...
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358
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-...
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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...
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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...
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53K
Hello everyone Where I can download the health & safety policy , quotation estimation and risk assessment template for a small electrical firm...
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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...
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632
  • 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...
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579
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...
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398
I have more experience in the industrial/ commercial field but will soon be more of a domestic spark... In a domestic situation: chasing the...
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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...
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in the old bpg4 it stated Absence of supplementary bonding for installed Class II equipment where required (such as in a location containing a...
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542
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...
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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...
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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...
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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...
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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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