Electrical Advice

speed control Discussion Threadspeed control Electrical Advice

I have an old vacuum motor that is 110V, 8A
It is way too fast. I need to slow down the rpm's.
Can I use a regular ceiling fan/light dimmer switch to do this?
thanks
P

speed control for the original thread on Electricians Forums

 

What’s the most efficient way to angle solar panels for DIY projects? Discussion ThreadWhat’s the most efficient way to angle solar panels for DIY projects? Electrical Advice

This question is aimed at DIY enthusiasts working on solar projects who want to optimize the efficiency of their solar panels. The angle at which solar panels are positioned can significantly impact their ability to capture sunlight and convert it into energy. By understanding the most efficient way to angle...

 

Do you need to sit 2391-52 if you have sat your ACA and are now an approved electrician Discussion ThreadDo you need to sit 2391-52 if you have sat your ACA and are now an approved electrician Electrical Advice

Hi all, do I need to sit my 2391-52 if I have already passed my ACA and became an Approved electrician?

Do you need to sit 2391-52 if you have sat your ACA and are now an approved electrician for the original thread on Electricians Forums

 

Hi all, I am currently doing my 2391-52 testing course Discussion ThreadHi all, I am currently doing my 2391-52 testing course Electrical Advice

Hi all, I am currently doing my 2391-52 testing course, can anyone recommend where I can find revision past paper or online revision sites for the online multiple choice exam

Hi all, I am currently doing my 2391-52 testing course for the original thread on Electricians Forums

 

DC or AC breaker Discussion ThreadDC or AC breaker Electrical Advice

Hi everyone,

I need your assistance to determine whether the breaker in the attached image is a DC breaker and whether there is a sign indicating that it is for the DC side and not the AC side.

DC or AC breaker for the original thread on Electricians Forums

 

Interesting video - how batteries are made. Discussion ThreadInteresting video - how batteries are made. Electrical Advice

I found this video very interesting. I now know where the 's' in batteries comes from.

Interesting video - how batteries are made. for the original thread on Electricians Forums

 

Dating old Bill switch fuses Discussion ThreadDating old Bill switch fuses Electrical Advice

Testing a set of offices today and each floor is fed from the switch fuses (?) in the basement.
There is a separate set of fuses for each floor in a Ryefield board but I am trying to date the overall installation.
The switch fuses are as shown and I suspect contain asbestos - and before anyone asks, no I haven't opened them.
Any...

 

Interesting articles for reading Discussion ThreadInteresting articles for reading Electrical Advice

Hello everyone!
I want to offer you five engaging pages that I believe are worth exploring. These resources can help open new perspectives, discover valuable insights, or simply enjoy your time. I hope you find them worth your while!

Nejlepší tipy pro začátečníky na Parimatch – Shawan Books ​

...

 

2 x t&e for 3 phase isolator Discussion Thread2 x t&e for 3 phase isolator Electrical Advice

Hi All!

Came across this yesterday and just wanted to get others opinion. 3 phase isolator wired in 6mm twin and earth x 2, i'm guessing it's not against regs? Obviously not the best way to do it but would anybody pull this on EICR? It's wired in 25mm pvc conduit on 32a breaker, assume they couldn't be bothered going wholesalers for some 5 core SWA...

 

Guidance / Counsel to Replace Whole-House Dayton Attic Fan Control Switch Discussion ThreadGuidance / Counsel to Replace Whole-House Dayton Attic Fan Control Switch Electrical Advice

Looking for counsel / guidance to replace an original Dayton On/off with speed control switch. I’ve checked with a couple local electrical supply stores and no one could assist. This fan was installed in our attic 25+ years ago and difficult to access.

I would certainly prefer a simple, direct...

 

Regarding 2391 Inspec Discussion ThreadRegarding 2391 Inspec Electrical Advice

When taking the 2391 inspection & testing, is it a close book, and multi choice.

Regarding 2391 Inspec for the original thread on Electricians Forums

 

Certification Discussion ThreadCertification Electrical Advice

Hi just after some advice. I’ve recently gone self employed. I need to do my 18th and my testing an inspection before I can enroll with niceic. After speaking with them I mentioned about doing my own work and being able to provide certificates for work I have done. They said this was fine to do and when they come to assess my work they can use the certificates. My question is who fills out the qualified supervisor part...

 

Spur/Junction for outdoor socket for PHEV charging? Discussion ThreadSpur/Junction for outdoor socket for PHEV charging? Electrical Advice

Hi all,
I have a hybrid car and I’m trying to install a socket outdoors. I’m on E7 and have storage heaters on their own circuits, can I make a little T junction within a back box like so and connect that round the corner to an external EV-rated socket? Circuit is 16A, storage heater does not get used, and the socket has RCBO protection. The...

 

EXTERNAL HALOGEN LIGHT WIRED DIRECTLY TO HALLWAY LIGHTING CIRCUIT - NO ISOLATOR / SWITCH ? Discussion ThreadEXTERNAL HALOGEN LIGHT WIRED DIRECTLY TO HALLWAY LIGHTING CIRCUIT - NO ISOLATOR / SWITCH ? Electrical Advice

Hello All,

I hope that asking this does not annoy too many Members who think that the answer should be obvious to me:

Last night at my next door neighbour`s house who is away on holiday for the next 12 days one of his external halogen PIR controlled lights above the...

 

should i choose a 40 amp portable EV charger or and 40 amp EV wall charger? Discussion Threadshould i choose a 40 amp portable EV charger or and 40 amp EV wall charger? Electrical Advice

Hey everyone, I'm in the market for a 40-amp EV charger, but I'm stuck on whether to go with a portable one or a wall-mounted one. Does anyone have experience with both? What are the true pros and cons of each? Thanks!
Here are the two models I’m considering.

should i choose a 40 amp portable EV...

 

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...