Hello, Can someone please tell me the reason why you always loop back the netural wire from T2 to L3, I was always told 'its because we do' , I have one to replace and would like to know the reason i assumed it was so all the poles are covered and it may help pick up on overloads better.
Many...
Hi There
I have a very strange one here , that no one iv asked seems to know the answer to .
On a recent test i found a 6mm XPLE SWA cabel protected by a 63A D rated mcb , for 3 phase motor circuit .
I desided to derate the mcb to a 50A but it triipped when ther motor was running .
So i then...
Sorry Lads and Lasses,
I know this has been discussed many times throughout this forum and other websites but I just can’t get my head round the testing of a 3 phase supply connected to a 3 phase isolator and a DOL starter/motor. There could also be a 3 phase socket.
After finding many solutions...
Can anyone advise of a good reliable supplier off star delta starters please. Local places don't do this sort of stuff and not driving miles to somewhere that will, so online is preferred.
Thanks for suggestions.
I have for sale my mcs starter kit that i fitted on my garage to pass my mcs
2x sharp mono panels nur245j5 panels
1x soladin 600 inverter will take 600 watt
schuco mounting system for pan tiles rail fixings and and roof hooks
Cost over 1100+vat sell for 600 including vat bargain
Gordon
Ok, so I have a surface 2x58 5ft modular fluorescent fitting. Changed both tubes and starters. Each tube has their own ballast. One tube is running fine, however the other one flickers, goes on for around 20 secs then goes off...then the starter keeps on trying to fire up. When I pull the...
I think I need to buy some personal tools for practice and for work.
What kind of tools do I need to buy?
I can't afford to buy expensive and high quality tools.
So will you recommend some basic tools which is not so expensive and is not rubbish?
are these worth getting? i'm looking for a basic ceiling light, nothing fancy, but needs to be low energy and come with decent bulbs that last.
have just fitted a 16W 2D CFL light (on my landing) and it gives off an awful white clinical light, and it flickers like mad on startup. so i'm going...
All ,
Was asked to have a look at a 3 phase switch (but it has 3+N and D2 and 14), but it aint looks like theres a 400v coil in it .Didnt have time to trace the wires out ..., Is this normal and can you tell me without seeing if I need it maybe i can just swapfor a 3 pole .....thanks
Greetings all.
I am trying to get a few things straight in my head before Tuesday.
The main thing I am not sure about is this three phase motor starter.
The way I was gong to tackle it was to R1+R2 it.
Starting at the DB link L1 -E, get examiner to hold contactor and measure at the socket and...
Hi,
Just carried out a job today and it's been playing on my mind ever since. Basically I installed a 5 pin TPN socket to supply a compressor. The compressor load is 7.5kw, star delta starter. I decided to go for plug and socket arrangement because the board is close to full capacity and they...
Hi Guys,
I am planning to install a kill switch on my car on the starter however I am not very good with electronics and ... , I have done an extensive research and here is where i am at :
1. I understand that my starter motor probably would want a high amper such as 70amp or so.
2. the...
Hi all
Any industrial electricians in the house ?
Having decided to move my old Harrison L5 lathe to a more suitable location in my workshop, I have taken the opportunity to give the lathe a full re-paint & light re-furb ( God knows it needs it )
As part of the re-furb I thought that I...
Hi All
Always a bit nervous with a first message on a forum, suppose its just getting used to the site.
I have over the past few months been reading some of your posts, on various subjects and found them excellent, very infrormative, which is a credit to those who regularly reply to members...
where can i find an idiot guide to installing solar panels please?
never done this aspect of work before as an electrician, so naturally im a little worried?
i will just be an installer on the job, and it will be signed off by the company thankyou
Hi there I've got an exam in a few weeks where I have to test a single phase dol starter, have had no experience in testing one of these and would appreciate any help, maybe a step by step guide on the test, much appreciated, thanks.
I need to replace a strater on a saw bench. I woukld just like to clarify how i intend doing it.
Live -L1 which is looped the start sw
N- L2 which is linked to A2
start wired in series to stop button
out of stop button to A1
T1 of overload to motor
T2 linked up to L3
T3 which is N to...
Just done my Assessment with Elecsa and used a 3 panel starter kit.
Panels can be mounted on a flat roof (with penetrations), patio or on the garden!
Will hire out the whole lot for short periods for you to install, practise testing, use as 1st install for assessment, dismantel and return.
PM...
Hi,
I have a Dol starter which i would like to use for my single phase irrigation pump. The Coil on the contactor is 240v. there are 3 lines in L1 L2 L3. It is connected to a 17 - 25 amp overload. I know that I have to link the wires together some how, T1 to L3?? There is a start button on the...
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