Electrical Advice

I have a Megger MFT 1721 everything works fine the button that lights up the screen and the switch button doesn't work. Discussion ThreadI have a Megger MFT 1721 everything works fine the button that lights up the screen and the switch button doesn't work. Electrical Advice

Hello!I have a Megger MFT 1721 everything works fine the button that lights up the screen and the switch button doesn't work.

When you press it it sounds like it's going but it doesn't work

Is it something in...

 

Reducing 20v ac to 6v ac Discussion ThreadReducing 20v ac to 6v ac Electrical Advice

I have an old 175 trail bike , the 6v light run direct from ac generator, however its putting out 20v ac, and blowing the bulb...rather than having the stator rebuilt , I wish to put in a reducer to drop the voltage..I believe a resistor will suffice, but what size ?
The headlamp is 25watt and tail light is 5watt
Thanks

Reducing 20v ac to 6v ac for the original thread on Electricians Forums

 

Hello Everyone Discussion ThreadHello Everyone Electrical Advice

Hello everyone, I am an engineer in a company. I found this forum when I was looking for information. I hope I can communicate and learn with anyone in the future.

Hello Everyone for the original thread on Electricians Forums

 

Wessex downlights Discussion ThreadWessex downlights Electrical Advice

Anyone else had problems with these flickering?fitted thirty,six have failed within a fortnight 🤬

Wessex downlights for the original thread on Electricians Forums

 

Trying to figure out what wires this uses. Discussion ThreadTrying to figure out what wires this uses. Electrical Advice

Hi there! I'm new, and want to figure out what type of wire I can use to connect it to an Arduino board. I don't know if this is the correct forum for this kind of stuff, but figure out just to post it. Here is the google drive link to the photo.

IMG_8246.png ​

...

 

CAPACITIVE REACTANCE Discussion ThreadCAPACITIVE REACTANCE Electrical Advice

A CAPACITOR TO BE CONNECTED PARLLEL WITH COIL IF THE REACTANCE HAS THE SAME VALUE, IN OHMS AS THE INDUCTIVE RACTANCE CALCULATE ABOVE CALCULATHE VALUE OF THE CAPACITOR​

CAPACITIVE REACTANCE for the original thread on Electricians Forums

 

Advice on Burnt out wall socket Discussion ThreadAdvice on Burnt out wall socket Electrical Advice

Hi All

Wonder if someone can give me a little advice on a burnt out socket I’ve found today:

Socket has now been isolated at the fuse board and is on a small ring with only 2 other sockets and a 30amp rcd.

Items plugged into the socket were a tp-link smart plug, with a lamp connected to it, and a 4 way...

 

does anyone have any knowledge of a honeywell galaxy C2-20 version 1.5 Discussion Threaddoes anyone have any knowledge of a honeywell galaxy C2-20 version 1.5 Electrical Advice

i have the above panel and have a problem with the system not unsetting and going staight into alarm when entering the premises
System was working fine before it was reset due to losing the engineers code to add new circuits
its an existing circuit Zone 1001 - programmed final with 30 seconds entry/exit each...

 

Toyota Cressida GLX 1989 electrical short Discussion ThreadToyota Cressida GLX 1989 electrical short Electrical Advice

Hi guys. Electrical help needed please on MX83 1989 (Australia) Cressida GLX. We accidentally shorted a wire when mucking around with the reverse camera wiring at the rear lights for the head unit. Now there is no power to the electric windows, sunroof, climate control, rear demister. Located the circuit breaker in the footwell fuse panel and tried pushing a tooth...

 

Lower Ze resding Discussion ThreadLower Ze resding Electrical Advice

Hi,

I’m getting a very low loop impedance ze reading of 0.04. It’s seem way to low. Has anyone else got similar?

Lower Ze resding for the original thread on Electricians Forums

 

Re ffing fairy lights Discussion ThreadRe ffing fairy lights Electrical Advice

Wish there was an edit function… sorry about the typos in last post .. hopefully it’s Legible

Re ffing fairy lights for the original thread on Electricians Forums

 

Ffing fairy lights Discussion ThreadFfing fairy lights Electrical Advice

Hi all … wondering if anyone can help … we have inherited an extensive set of dart lights.. they are missing g the adapter and out to go with and so at moment are useless .. I’ve contacted the supplier (see pic) who says the 3 pin set up was stopped a few years back and all are now 2 pin . And they don’t have the relevant adapters any more …
my question is how can I get these working ? Can I require them...

 

Advice needed on replacing security light please! Discussion ThreadAdvice needed on replacing security light please! Electrical Advice

Hi

We had the light (photo attached) installed a couple of years ago - it still works but the bulb is faded but needs replacing.

Is it quite easy to replace myself (someone with no experience)? Or do I need to get someone in to do it?

Thank you!

James

Advice...

 

Low voltage from live to earth, on a ring final. Discussion ThreadLow voltage from live to earth, on a ring final. Electrical Advice

Why do I only get 50v from live and earth, I’m getting 240 from live to neutral. The circuit is a ring.

Low voltage from live to earth, on a ring final. for the original thread on Electricians Forums

 

LTD or Self Employed. Discussion ThreadLTD or Self Employed. Electrical Advice

LTD Or Self Emoyed.

HI, Everyone, not sure about best course of action. I've taken a full time job, (On the books) and I want to continue doing small jobs on the side (stay NICEIC registered). I am both Self Employed and LTD. I've spoken to the accountant, he said it's your call. If I close my LTD, I have to pay a tax when withdrawning my money.

I was aiming to keep my Self Employed status. Because I...

 

Why does a fridge freezer fail an insulation Pat test? Discussion ThreadWhy does a fridge freezer fail an insulation Pat test? Electrical Advice

Hi, I am getting a reading of 0.00MOhm
I've never had this before, it's not tripping the rcd.

I was wondering if it may be damp but can't see anything obvious.

Any ideas please?
It's not very old.

Why does a fridge freezer fail an insulation Pat test? for the original thread on Electricians Forums

 

How To Wire A RV Rotary Cam Selector Changeover Switch Discussion ThreadHow To Wire A RV Rotary Cam Selector Changeover Switch Electrical Advice

I build teardrop trailers as a hobby. In my electrical box where I supplied power to the trailer interior, I have a lithium iron battery, a 120V Power Converter /Charger, and a 12v to 120v Inverter to power 120 outlets. I want to power the outlets from grid power without back-feed powering the inverter because it burned up my last inverter...

 

GU10 flashing when on, un til extra load added to circuit Discussion ThreadGU10 flashing when on, un til extra load added to circuit Electrical Advice

Also posted in DIY.

strange one in my kitchen.

3 sets of 2-way switched mains GU10 Philips down lighters. ( no dimmers)

Have been fine for several years.

Last week the fan/light remote receiver, ( connected via a on/off wall switch, using live which also goes to lights, neutral permanently connected to lighting circuit) on the...

 

GU10 flashing when turned on, work if load added to circuit Discussion ThreadGU10 flashing when turned on, work if load added to circuit Electrical Advice

A strange one in my kitchen.

3 sets of 2-way switched GU10 `Philips down lighters. ( no dimmers)

Have been fine for several years.

Last week the fan/light remote receiver, ( connected via a on/off wall switch, using live which also goes to lights, neutral permanently connected to lighting circuit) on the adjacent conservatory...

 

UFH mat in bathroom Discussion ThreadUFH mat in bathroom Electrical Advice

Was at a job yesterday & whilst running cables for lighting in a side attic space I came across something I’ve not see before (not surprisingly). The couple had a new bathroom installed last year & by the looks of it whoever installed the underfloor heat mat, they never measured the UFH mat correctly for the size of the bathroom. So from what I can see what they’ve done is when they got to the last tiled part...

 

How to go about checking this PCB Discussion ThreadHow to go about checking this PCB Electrical Advice

Hi, I have this ignition PCB, it opens a valve but does not ignite. I bought a primitive tester for £7.99 and what I checked was the fuse and the output terminals.

The fuse is ok and output terminals show 0.05 (My Ohm meter goes from 1 to 0 and says 200kO on the selector knob dial). But I can't read anything on the input of the grey little box the output terminals are.

I went to...

 

Stuck on an assignment for college Discussion ThreadStuck on an assignment for college Electrical Advice

The question is:
If the supply voltage is 100v ac with a period of 20ms, and the supply current (Is) taken by the coil is 6A, calculate the frequency of the supply, overall impedance, Inductive reactance and the inductance of the coil.

I've worked out the frequency to be 50Hz and in order to get the Inductive reactance I need to work out the inductance of the coil.

f = 1/t...

 

Adding a zone valve Discussion ThreadAdding a zone valve Electrical Advice

Im working on a heating system that's currently all wired into an ufh wiring center. Another zone on a different floor is being installed of heaters (no actuators).

My question is, would you wire the new zone valves and stat into the existing wiring center and use one of the free actuator terminals to connect it all up as there's no other space or install a serperate wiring center next to it?

Thanks...

 

Introduction Discussion ThreadIntroduction Electrical Advice

Hello, my name is Randall S Cook, and I found this Forum while looking for information. I am located in SW Missouri, and am semi-retired, although I still am called upon to solve a large variety of electrical and mechanical (HVAC) problems. Licensed Master Electrician, Licensed Master Mechanical Technician, Third Class Stationary Engineer. Most of my experience is in Commercial or Industrial equipment....

 

Panel building; is it too late? Discussion ThreadPanel building; is it too late? Electrical Advice

I am 40. dont hold any quals but have always done electrical work with electricians which included panel building. I have built a good few panels without fail.

I am wanting to sell 240V single phase small panels for a gaming machine that I have built.

Is a small panel building course enough certification for me to sell without getting into any probs?


The machine build I will...

 

What will help me understand and pass my 2391-52? Discussion ThreadWhat will help me understand and pass my 2391-52? Electrical Advice

Hi guys,

I’m looking to book my testing and inspection 2391-52, I have very limited experience on testing. I have completed my AM2 and the testing part was pretty easy.

Of course the 2391 will be more in depth etc and I’ve been hitting the books going through guidance note 3 and bs7671 and I’ve got The practical guide to inspection, testing and...

 

Newlec storage NLSH150 heater any info Discussion ThreadNewlec storage NLSH150 heater any info Electrical Advice

Not very familiar with storage heaters

Newlec storage heater NLSH150 in clients property installed 2 years ago has gone belly up. Clients words are it got really hot so they switched it off and it wouldn't heat back up the day after. My obvious thought was a thermal cut out but I've had a look inside and there doesn't seem to be any sort of cut out inside the unit That I...

 

My alarm panel is going into alarm when entering the premises Discussion ThreadMy alarm panel is going into alarm when entering the premises Electrical Advice

hi i have a Honeywell Galaxy 2-20-V15 version 1.5 security system and was working fine but the engineers code was lost so as i needed to add more circuits,i defaulted the panel back to factory settings and now have an enginers code . I have reprogrammed the panel and included new circuits and everything appeared to be fine, but...

 

Are HSE taking it a bit too far? Discussion ThreadAre HSE taking it a bit too far? Electrical Advice

Good afternoon all,
I have a question for those who are CompEx and SIL aware - I have various Ex ia systems installed around site, my manager is feeling pressure from HSE to change everything to SIL 2 rated equipment. Realistically, ia equipment could be considered SIL 3/4 (or at least certainly better than SIL 2) as it is already unlikely to fail, but has 2 back-ups/fail-safes if it...

 

Stepping down 50 or 30 amp service to 15 amp service Discussion ThreadStepping down 50 or 30 amp service to 15 amp service Electrical Advice

My knowledge of power is basic, but the answer I've received goes against my understanding. I have a Jackery solar 'generator'. On the side of the device it says, "AC 100V-120V 15 A MAX". One use I have for the device is to use it in my little camper. On occasion I may be in an actual campground. All campgrounds I've ever been in have either 50...