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, I have worked out the volt drop on other questions using the formula mVxAxM. had no issues, but this question below has just fried whats...
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How to Apply to gain access to trainee forum - reason - I am studying C&G level 3 through trade skills 4 U. I want to discuss / get help with my...
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72
Hi all I would like to know what should be the rating of Air Circuit Breaker to select for a Genset based on the following data: 2000k VA PF 0.8...
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263
Interested to hear how different people approach doing loading / vd calcs for larger size single core cables in a 3ph situation - ie 3 separate...
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160
Done this loads of times before, but this situation is quite unique so bare with me. I've been asked to cable up an out building at a country...
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228
Been asked for a light switch to go in a small room with a toilet and no basin, there is a door but you have to go through the bathroom to get...
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446
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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4K
Can someone explain this to me? The regs book calls Zs 'Earth Fault Loop Impedence' and the On-Site Guide calls Ze 'Earth Fault Loop Impedence'.
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226
I am self-teaching fault-finding and testing, but I can't wrap my head around insulation resistance tests. From my understanding you send 500V for...
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462
I am looking to switch on a Grunfos pump on a megaflow hot water tank with a wireless Rf switch I am looking for a timer which when it receives a...
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212
Morning all, Hope you’re all well. I have replaced my entry phone system for the same one just a fresher one as have been decorating. However...
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I have not install site temps for a while so cant find in writing what i think is correct so please help if you can, as I need to have this info...
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I am an electrical labourer currently doing my own research on Alarms to self-educate as much as I can. I would like to state the general rules I...
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357
Hello everyone. I need information from people who are more knowledgeable and I will appreciate your help. I have no idea and I can not find...
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I want to fit a light switch on the wall in my new bathroom but I've tried 2 electricians and both will only install a pull cord. The location of...
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what is with the IET regarding 443.4.1 against transient overvoltage 1) serious injury to lose of live ( sitting in a field where lighting...
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486
18th 2nd amendment comes in, in Sept. AFDDs are in it. To be fitted on socket circuits of 32A and above. To be fitted in residential blocks of 6...
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545
On the verso cu wiring diagram the spd is not after the main switch? Does the spd not have to be upstream of the rcbos
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231
Hi. I got a new oven the other day and it was working fine. Last night, I swapped out the 45A wall switch for a brushed brass type one. The neon...
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350
Hi, I'm getting conflicting stories about this, I wonder if someone could put this to bed once and for all. I'm replacing a consumer unit in the...
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697
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the rayburn oven has a 3 core lead from the rear which according to the instructions has to be somehow connected to the pump or a thermostat...
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  • Question
The switched connection unit for the kitchen extractor fan and the lower part of fan is now behind a larger fridge, so the fan can't be operated...
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460
Maybe a simple answer to a stupid question but now that amendment 2 is here, am I to put the 'amended to' date as 2022? Others have told me to put...
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257
Need some advice. I have a 12meter 24Vdc cable run…. Current 3Amps. I require a 1.5mm cable 6 core for supplying led strip lights outside due to...
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231
For those interested; SparkyNinja & Team e5 have uploaded the video from last night's Amendment 2 event webinar that they held to discuss...
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588
Hello there! Could anybody help me with this query please, I am not sure where to look up the information I need? As I understand it, cables...
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507
Hi all, I am a leaseholder in a flat. The managing agent want to replace the electric rising main as they say it is over 50 years old (but I...
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Hi. I am an apprentice electrician, and was wondering if anyone could help me as I'm getting confused with something that's probably quite simple...
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I have a slightly odd requirement that means I am wanting to route a 3 core 4mm SWA cable (14mm outside diameter) from outside through a cavity...
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942
(basic question) why is current the same in series connection. An explanation in 3d video would be very helpful
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800
Hi, Could someone please tell me what type of connector this is and where I can buy the female counter part from? Pics attached
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431
  • Question
Hello, I am planning to have a feature wall built in my living room. There will be two very large porcelain tile, with TV mounted and hole for...
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508
I'm renovating a property and vaulting a kitchen ceiling to gain more head height. The floor will be a slab which is yet to be laid. Would it be...
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632
Hi, first time poster, long time lurker. Guess I'll have to start getting involved... Just looking for some advice really on something I haven't...
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335
I am constantly confused by the online installation form and what they refer to as "main switch", and "installation worked on". If I have the...
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767
I have a dimmer switch in my dining room. My son was begging me to remove the dimmer switch because he thinks it will burn out the ceiling fan...
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504
New style Wylex board design flaw
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I know it depends on its inststallation method but what is the max current carrying capacity of 1.5mm swa 3 core? If im looking at the correct...
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hi there - Im about to book an electrical safety certificate for a property that will be let out and I notice I have plug sockets in the bathroom...
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897
Hi all, Just moved into a house and typically now finding a fair few issues. Hoping to have an EICR done at some point, would've done this before...
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3
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386
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