Electrical Advice

Automatic gyroscope laser level Discussion ThreadAutomatic gyroscope laser level Electrical Advice

Automatic Gyroscopic Laser Level

Do they all automatically stay level? Thought a tripod was used that has a bubble in it, I didn't realise they did them like this. And for the money too! 💰 🤑 💸 💲 🪙

Automatic gyroscope laser level for the original thread on Electricians Forums

 

NIECEIC or Napit reg. Discussion ThreadNIECEIC or Napit reg. Electrical Advice

Hi all,
I am a qualified Electrician/Electrical Engineer from Denmark. I recently had my 25 year old Danish qualifications assessed by UK ENIC because I was interested in doing some test and inspection work and certification when I have the time, simply due to my passion about my past skills (I am in a higher management position currently).
Just to give you a little background (please forgive me if it...

 

3 phase TPN boards - earthing TT Discussion Thread3 phase TPN boards - earthing TT Electrical Advice

Hi guys, starting a new install on a job son and having a complete mind blank. The supply at the main cut-out is a 3 phase TNCS supply. There is then a 50mm SWA running a considerable distance to a workshop where i will be installing a new TPN board as well as an earth rod to make all the workshops on a TT arrangement. From the cut-out end obviously the SWA armouring will be earthed...

 

What is this 1970s fuseboard? Discussion ThreadWhat is this 1970s fuseboard? Electrical Advice

Hi, went on a job today, to swap over an oven. On arrival, the homeowner was on a work video call and I couldn't isolate the circuit as there were no labels on the fuseboard. Worse, there was no local isolator for the oven so I had to walk off the job as it needed a new quote etc. (My Job Quote).
Anyway, I was confronted by this fuseboard thing with switches. I have come across BS3036 and...

 

AC servo motor burning out 1 phase (motor side) but ok VFD side Discussion ThreadAC servo motor burning out 1 phase (motor side) but ok VFD side Electrical Advice

Hi all,

First post, so not sure how this will work out…

I’ve currently got a 3 phase AC servo motor (Lenze brand) at work that seems to be overloading 1 phase (U phase of motor)…
This motor is VFD driven by again a Lenze brand 9300.

The load for the motor is a coupling driven pressure roller, with another identical...

 

Another poll! Average age of the person on this site. Discussion ThreadAnother poll! Average age of the person on this site. Electrical Advice

Lets keep it simple. Anyone can vote! It's just to get an idea of the age of the people on this site, thought it might be a little interesting.

I've always assumed its mainly middle aged with a few retired and a few youngsters, we'll see.

edit.. the damn thing just pressed enter by its self! @westward !!! help!
I need to start again and add...

 

Will you vote? Discussion ThreadWill you vote? Electrical Advice

So the general election upon us after a month of farcical campaigns by some appalling candidates. Without starting a political argument what are you going to to?

Will you vote? for the original thread on Electricians Forums

 

Floating Neutral Discussion ThreadFloating Neutral Electrical Advice

I am a long time retired electrician, I have worked on many different
systems, I was High Voltage trained among other things.

I understand what floating means, but I don't understand a floating
neutral.

To amuse myself in my retirement, I decided to build a Solar System,
something that I knew nothing about, except that it is like black magic,
electricity from the sky!

I have 2 inverters, 12v X 3Kw and 12v X 4Kw...

 

Heatrae Sadia Electromax boiler not powering up at all Discussion ThreadHeatrae Sadia Electromax boiler not powering up at all Electrical Advice

Hi all,

The boiler, a Heatrae Sadia Electromax, is connected through a Timeguard timer. It's programmed to run between 20:30 and 22:30 every day and has been working fine until last night. I noticed there's no hot water coming out of the shower. Upon checking, the timer seems to be working fine. I can see the status changes on the display...

 

Hello to all Discussion ThreadHello to all Electrical Advice

To keep my account

Hello to all for the original thread on Electricians Forums

 

What causes low IR readings? Discussion ThreadWhat causes low IR readings? Electrical Advice

I’m currently at the second fix stage of a rewire and before all the flooring goes down I’ve decided to do r1+r2 readings to make sure everything is continuous and polarity is correct. I also decided to do insulation resistance tests and have got lower than expected readings.

On the downstairs lighting circuit I got a reading of around 200-300Mohm. After breaking the lighting circuit down I...

 

1 year old immersion heater keeps tripping thermal cut out, any suggestions? Discussion Thread1 year old immersion heater keeps tripping thermal cut out, any suggestions? Electrical Advice

Hello good people.

I have an ongoing issue with a top entry immersion heater over heat stat that keeps Tripping out. (Built into stat) On a 24hr mechanical timer.
The tank was replaced just over a year ago and with it a new immersion heater and stat.
The original stat worked fine for about 3...

 

electrical installation Discussion Threadelectrical installation Electrical Advice

Hi,
I have a question
What are the most common causes and symptoms of issues with the main relay in an electrical installation?What steps should be taken to diagnose and resolve complex EMC disturbances in an industrial control system?

Jack

electrical installation for the original thread on Electricians Forums

 

Why use hellermann sleeves (automation) Discussion ThreadWhy use hellermann sleeves (automation) Electrical Advice

Hi everyone, I am currently working in a new power station where we are terminating all the 20 pair and 10 pair individually screened SWA lsoh cables into the automation cabinets and junction boxes. My question is, why do all the pairs have to have hellerman sleeves over them? Why can't we just use insulation tape or self amalgamating tape? We were using amalgamating...

 

What would you do about this one. Discussion ThreadWhat would you do about this one. Electrical Advice

Client (local authority) want the consumer unit upgrading from a plastic one to the latest spec. I have also done a bit of repair work in the kitchen so it can be plastered. This is how the power gets from the street to the consumer unit.

firstly TNS with a looped supply into meter and isolator in a cupboard by the front door...