Electrical Advice

Would you use an old CU to extend cables. Discussion ThreadWould you use an old CU to extend cables. Electrical Advice

I recently inspected a job in a 1960s-era apartment building. Three of the properties have old Wylex rewireable consumer units (CUs) with Pyro wiring.

To minimize damage to the 50-year-old Pyro, which passed testing, I propose the following approach:

1. Utilize the old CU as a junction box.
2. Remove the internal components and install a DIN rail.
3. Extend the...

 

25mm swa armour for cpc Discussion Thread25mm swa armour for cpc Electrical Advice

Hi all,
Just planning a sub main to an outbuilding .
It will be 80 metre run, buried direct on a 63amp fuse .

So I am thinking of running 25mm swa but just been doing my calcs on whether I can use armour as Cpc. The outbuilding is going to be TT so no need of a bonding conductor on the submain.

After doing calcs in 2 core swa I get
99/51 x16 = 31.02

What I cannot find is csa of 25mm armoured to...

 

I wanna buy pc power supply from France. I am in Poland. Did power cable will be compatible to socket? Discussion ThreadI wanna buy pc power supply from France. I am in Poland. Did power cable will be compatible to socket? Electrical Advice

Hello. I wanna buy new psu Seasonic PX-2200W ATX 3.1. Its new fresh product.

But in my country ( POLAND ) is not in stock.

I found some french shop. They can deliver to Poland.


I am in Poland. Psu will be from France. Did power cable will be...

 

Unexpected colours in (older) light switch Discussion ThreadUnexpected colours in (older) light switch Electrical Advice

Hi,
I'm looking to change this double switch over to a trailing-edge dimmer for compatible LEDs.
We have three bunches of wires.
The colours I've encountered don't seem to conform to the old system, we have two blues and two whites in the mix.
See pic…
So the advice I need is, does it look OK right now?
Should I just replicate like-for-like on the new dimmer (L1...

 

375kw squirrel cage 415v motor starting issues Discussion Thread375kw squirrel cage 415v motor starting issues Electrical Advice

Hey everyone thanks for reading.

We are having an issue with our cone crusher and starting. We have had engineers design the motor and starter know the full application and torque requirements of the cone crusher.

We are having intermittent starting issues. And have been for 2 years no one has been able to work out what is happening. We are using a soft...

 

Meter exchange - CT Discussion ThreadMeter exchange - CT Electrical Advice

I have an ND CUBE 400 meter to exchange next week. Its a like for like change. I can isolate the supply to the meter easily with the removable cartridge fuses, however the circuit the meter is metering cannot be isolated. I am not sure what risk is posed with the CT's. They are terminated into a terminal block so i can just pull that block out and insert into the new meter, i just thought i would check i as am...

 

Doorbell camera recommendation Discussion ThreadDoorbell camera recommendation Electrical Advice

I'm looking for a recommendation for a
door camera

Something with recording and live video thanks

There's a wired bell push if supply needed

Doorbell camera recommendation for the original thread on Electricians Forums

 

Rcd tests Discussion ThreadRcd tests Electrical Advice

Hi, I was changing an old Square D board, RCCB MAIN SWITCH, because it was tripping at 12mA when doing a ramp test.

Installed an rcbo board, and ramp test still trips at 12mA??

Any opinions on this?

Rcd tests for the original thread on Electricians Forums

 

2 way light switch not working correctly Discussion Thread2 way light switch not working correctly Electrical Advice

Hi,
I replaced a 2 way light switch and seem to have issues.

For context, I have a hallway switch which is a 2 way and kitchen switch which is 2 way. I replaced the kitchen 2 way that operates both the kitchen and hallway lights. The kitchen lights work fine however there is an issue with the hall lights.

Please see two situations below.

Hallway switch On (Hall)...

 

LED Security Light with PIR & 4 Core Discussion ThreadLED Security Light with PIR & 4 Core Electrical Advice

Hi,

Does anyone know where I can get an LED security light with PIR, that also has a 4core cable for an over-ride switch?

Thanks

LED Security Light with PIR & 4 Core for the original thread on Electricians Forums

 

Looking for a 'touch' switch for bathroom wall light. Discussion ThreadLooking for a 'touch' switch for bathroom wall light. Electrical Advice

Hi all.

Situation is that a friend's currently-refurb'd en-suite has its main ceiling light switched from outside as normal. They also want a light, separately switched, above the mirror. Problem is, they hate pull-cords - both beeg ceiling ones, and wee light fitting ones - and the modern mirrors with built-in sensors are too clinical in...

 

Help with Drayton motorised valve heating system Discussion ThreadHelp with Drayton motorised valve heating system Electrical Advice

So I've recently moved into a house with gas central heating, before I have only had electric only flats so I'm a bit new to it. During the past cold few days I thought I'd test the central heating to see if there were any issues.

The programmer is a siemens RWB29 and seems to work just fine, I can set the programmes and the two lights light up to...

 

Switching between phases depending on live health Discussion ThreadSwitching between phases depending on live health Electrical Advice

Hello, I'm pretty new to the forum. Hopefully, this is the best place to post it somehow.

Currently, I have a setup of a distribution box, which is able to supply 63A three-phase load to an EV charger, running two-phase load of 16A. It demands 3.7kW from each phase, making it a 7.4kW charger effectively. It's connected to the distribution box using a...

 

Do crimped connections in a choc box in an inaccesssible location comply with regulations? Discussion ThreadDo crimped connections in a choc box in an inaccesssible location comply with regulations? Electrical Advice

The relevant regulations are I think as follows:

BS 7671 513.1: cable joints must be accessible except where allowed by 526.3

which is covered by ...

BS 7671 526.3 (iv) joints made by welding, soldering, brazing or compression (which covers crimped connections)

So...

 

NICEIC TEST SHEETS Discussion ThreadNICEIC TEST SHEETS Electrical Advice

Hi , I have recently joined NICEIC and i am wondering if anyone can help me regarding recording the info on EICRs etc onsite on an ipad. I want my guys to fill out the test sheets onsite, on the app. However some sites you can't get internet and NICEIC say that they need this to fill out the certs. Does anyone know a way round this? as its a waste of time filling out paper certs and typing them up later...

 

2024 TV and Movies Thread Discussion Thread2024 TV and Movies Thread Electrical Advice

Alright I can't find the other one. So made a new one.

Been watching 3 body problem on netflix and its right up my street. Fictional space related thing.

I'm half way through and it's mint. No spoilers please (at a guess, everybody dies lol).

Any other suggestions?

2024 TV and Movies Thread for the original thread on Electricians Forums

 

Hi all from aspiring electrician Discussion ThreadHi all from aspiring electrician Electrical Advice

Hi, I thought to make a post, I came just to ask questions but been reading more of the forum and learnt lots of useful and good things, decided I should stick around, learn more and probably annoy people with more questions. I’m Ayla from east Cambridgeshire, hoping to become an electrician of some kind, still not sure what yet.

Currently I do DIY around mine/others houses and also...

 

Line drawing Discussion ThreadLine drawing Electrical Advice

Good afternoon folks.
I am doing a survey for my boss of various DB's and he wants a line drawing done on the following, as I have not much experience doing this would someone please sketch what would be a decent representation of this.
Out going circuits.
Circuit one has 5 double sockets
Circuit two feeds 12 street lights
Circuit three feeds a spur for a heater.
He wants all street lights to be represented (there are 6)...

 

New mft on the way Discussion ThreadNew mft on the way Electrical Advice

I see fluke has a new mft out soon, looks like they are copying dig screen, 1672 plus, cheaper then megger.
Has any body put a order in for one.

New mft on the way for the original thread on Electricians Forums

 

W4D5 ENGLISH smoke detector rules Discussion ThreadW4D5 ENGLISH smoke detector rules Electrical Advice

What’s the rules regarding locations of smoke detectors in an English property, and are the 10 year battery aico with RF acceptable?

Yes, I had to get my passport out and cross the border.


The ground floor flat consists of front door straight into lounge. Door into hallway to kitchen, with bedroom off to side of hallway. Kitchen into a back hall with bathroom and a back door...

 

Clarification regarding wires Discussion ThreadClarification regarding wires Electrical Advice

Hi guys, I have a question regarding these wires, what is the black wire for?
The location is Europe, Slovenia.

I understand traditionally brown is live, blue is neutral and yellow/green is earth, but why is here a black wire, too? And how do I connect it, to what.

...

 

When do Neutrals need to be switched? Discussion ThreadWhen do Neutrals need to be switched? Electrical Advice

Sorry if this is a silly question but I can’t get an answer from colleagues as it’s a “I dunno”. So I thought I’d ask here!

Some of our TPN DB’s have a 3 pole main switch with a block for the neutral. Other TPN DB’s we have here have a 4 pole main switch which switches the neutral.

It’s the same for our machine isolators. Some have a 4 pole rotary switch and others have a...

 

new pully-switch to turn on my shower but the Electrician said it would be against company policy Discussion Threadnew pully-switch to turn on my shower but the Electrician said it would be against company policy Electrical Advice

Hi,
I need a new pully-switch to turn on my shower but the Electrician said it would be against company policy to fix it,as I have an old fuse box that doesn't have the shut off element to it.Would this be right,? If so,is there no cheaper way of doing...

 

SPIT Pulsa 27E Starter Kit on Sale Now! Discussion ThreadSPIT Pulsa 27E Starter Kit on Sale Now! Electrical Advice

Hi everyone, the Spit Pulsa 27E Starter Kit is on Sale for only £480.00 +VAT until Midnight on Sunday!

Already got one? We've also got special offers on selected pins down below!

Add Cableboss to your projects for only £3.25 +VAT! Cableboss manufacture pre-formed metal brackets designed to simplify the positioning and routing of multiple cables in ceiling voids and...

 

Multple LED Strips & Power Supplies off One WiFi Driver? Discussion ThreadMultple LED Strips & Power Supplies off One WiFi Driver? Electrical Advice

Hello. This is such a noob question, but I'm struggling with something that seems like it should be fairly straightforward. I have numerous 24v LED RGBW strips in several light coves around my house, with all the wires homerun in to a central closet. The total linear footage of strips requires multiple power supplies, which I have...

 

W4D4. Old find Discussion ThreadW4D4. Old find Electrical Advice

I missed day 3…. Nothing exciting happened.


Today I found this in a big old house…. Looking at replacing the old rewirable fuse boards…

I didn’t realise the “double insulated” symbol was so old…...

 

One House and 2 Consumer units needed by LL, need help with circuits Discussion ThreadOne House and 2 Consumer units needed by LL, need help with circuits Electrical Advice

Hi
I have a job where customer has two families one families lives upstairs and one family will live downstairs.

As the property is going through refurbishing and rewiring is needed but LL has asked me to install two consumer units so basically divide supply using henly blocks and supply the up with one consumer...

 

Repurposing a cooker radial? Discussion ThreadRepurposing a cooker radial? Electrical Advice

We have a room in the house that was the kitchen. That has been relocated to a different area, so the old kitchen has been sold off and the room will be a bathroom. I’ve studded out the room and lined with cementitious board ready for tiling. All first fix plumbing is done. All sockets are obviously redundant. So they have been removed and the ring made good using wago junction boxes. The...

 

Not a question just a Hi and good to be back ! Discussion ThreadNot a question just a Hi and good to be back ! Electrical Advice

Just a quick note to say I’m hoping to be back more now ! I’ve had to have a few years away due to the death of both parents and father in law !
It’s been a tough few years and now to top the lot I’m no longer on the tools but maybe still have a trick or two up my sleeve I can share.
I find myself the victim of a condition called Ankylosing spondylitis. I...

 

Best Electrical Courses | Top 10 Electrician Training Course Options for 2025 Discussion ThreadBest Electrical Courses | Top 10 Electrician Training Course Options for 2025 Electrical Advice

Best Electrical Courses​

I endeavour to create a "best electrical courses" thread for 2025 (so training courses that did well during 2024 are the ones we recommend for 2025). Main reason being it's a thread that'll build over time as I'll keep updating this first post as time goes on and we...