-
Please checkout the new poll we will be pushing hard, and want some good stories to come out of this
result are public - you can change your vote over time, which might genuinely be the case from time to time.
Questions and electrical advice in the Electricians' Talk | All Countries - All Electricians' Talk that doesn't fit into the other forums..
Some popular forums: Electrical Forum - Electrical Wiring, Theories and Regulations - Periodic Inspection Reporting & Certification - Electrician Jobs
N/A
- Sticky
IMPORTANT: Please note that nobody on this forum should be seeking or providing advice to people who are not competent in their field. If you live...
- Sticky
- Poll
Have you ever / would you ever; Work for an Electrical Supplier / Electrical Wholesaler - POLLTIME!
PLEASE SHARE THIS WITH FRIENDS VIA FACEBOOK...
- Sticky
Submit your best work to this thread, with a short description, and a link to either profile or website (say which one, we'll sort the link) and...
Hiya all, Could someone possbile explain 3 phase to me, or link us to a decent website which could tell me. I work for an industrial electricial...
Hi all,
Just a quick question on single phase and 3-phase voltage.
Do The UK use 240V Single Phase and 415V 3-Phase?
Evening all,
Further to my previous post I've decided to use 240v downlights in the utility room.
Just wondering what the best, well, correct...
Hope someone can help, Basically i'm just getting into heavy industrial and when i have been opening various panel's and motors i can't get my...
Hi All
Is there a calculation for working out an unknown resistance on a 3 Phase Motor ?
The rating plate has 15kW / 29 amps . Trying to...
Hi folks
I have recently discovered that a plug socket in my kitchen has no earth connection.
The actual earth cable is there and is connected...
How would i calculate the overload setting needed for a 3 phase 0.5kw dol motor?
I have been called out to replace a DOL starter that somebody fitted last year, It controls a 3 phase motor on an extraction unit. The customer...
New Thread on this is here: Access-only Areas Of The Forum - How Do I Gain Access? -...
Can someone please explain to me how a 3 phase star and delta connection works. I get the fact that the 3 phases are carrying a current and you...
bit of advice plz guys... im working in a hospital decontamination room. there will be four big sterilising machines to clean endoscopy...
I am fully qualified and registered with napit, i am going to have some training on how to install fire alarm, but someone told me that only...
Does anyone know anything about washing machines??
WM wouldn't turn on this morning no power or lights on panel, checked the socket and found...
Hi All,
When connecting a motor, how do you know whether it needs to be wired as star or delta?
Thanks
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...
Hi can anyone help me with some info? Im having to make my own double set in 100 x 100mm trunking and haven't got a clue. Need to know how to do...
Hi All.
Firstly would like to say thanks to everyone who reads this and provides any useful information.
I have used the search button and have...
I’ve asked Lenny to set up a new sticky thread for motors and their control. I hope others will help with diagrams and theories for the benefit of...
Can you please advise on the cable size for a 15KW 3 phase motor. The length of cable to the starter is 100m. The cable on the motor which is a...
Hiya..
From the theory, to work out the amperage of a single phase system, you divide the power (P) by the voltage (V) as from the PVI triangle...
Hi, hope someone can please help. :confused:
I want to install a simple 150W outdoor PIR security light. The cable length I require is approx 7...
Hi,
Hello everyone, as this is my first post.
Now im not meaning to put any electricians out of work or do any like that with this post. Iv just...
I have been asked to put together a proposal to replace 176 x 400 Watt High Bays for a more energy efficient option. The client has been told by...
.... and its relationship to volts/amps. If you know the wattage of an installation how do you work out the kva? Cheers in advance.
Hi all, im not sure what a floating earth is and what it offers safety wise. from a little of what ive read on the internet i think its connected...
Was wondering if anyone had a copy of an emergency lighting logbook? Poss on pdf or similar?
Need one that looks proffesional, I dont really want...
Hi. Can anyone please tell me how much a 10KvA 3P transformer pulls per phase on the primary side
Just wondering if anyone could explain how hold on contacts work
Hi i am currently working as an electrician i have been doing it for about 4 years now and im fed up and need a change i have always been...
hi, 1st post on here so hello.
just need a little advice on contactors. i recently replaced a contactor (8oA, 3pole, 230v coil) but couldn't get...
Just need some advice for calculating the size of supply for a 3 phase dust extraction unit. In the past i've worked with 3 phase so understand...
Hi
I can’t find this anywhere: what is the minimum distance between sockets wired to different phases in a large domestic installation?
I’m sure...
Hi All,
I'm new to this forum, so Greetings from Macclesfield in Cheshire :)
My first question for you to ponder, regards a client of mine who...
Hi guys, I've just been given a date for EDF to come and connect 3-phase supply to my garage at home (I'm starting my own business and...
Hi everyone,
When calculating for a 63a tp&n supply (SWA) do you do each phase as a third of 63a ie 21a per phase or 63a per phase (3*63a...
Hi All ,
Can anyone give me any advise on reconnecting a star / delta motor which was disconnected by someone else and the 6 wires...
Hi carry out work for catering company and EHO has visited stores and has asked for stainless steel work ie tables/sinks, stainless cooker hoods...
please can anyon tell me do three phase motors have or have not got neutral, please if you can for star and delta thanks
Problem !!! Hope someone knows where to find this out.
Got a SWA 4-core ( assume that the conductor size is in excess of 100mm2 ). It connects...
Hi their does anyone now were i can get maximum earth fault loop impedance for a BS88 400A fuse with a disconection time of 5 secs cheers danny
Hi guys,
I was wandering how much conduit bending do we do these days?
Do we do some complicated ones or only 90* and 45* ?
Thanks!
Hi everyone was just wondering cus seen these klik plugs connected diff and first time iv really used them on site, but if you have your em feed...
Hi everyone,
A friend has bought a 400 volt single phase welder for his workshop and has asked me to install a supply and connect it up.
Having...
Hi,
I am having trouble with a 3 phase motor (about 1kW I think) and a tripping RCD. The motor is DOL started through a contactor and thermal...
Hi- I am looking for some help/ advice please.I am a mech fitter- not and electrician- all advice gratefully received-
I have a 3 ton, 2 post...
Is it ok to spur off the socket ring if an adequate fuse is inserted between ring and wall lights? Reason, I'm 2330 and replaced a like for like...
Hi,
Are there any regulations dedicated to the build of machine control panels?
Obviously you follow BS7671 as regards cable selection etc...
Hi All , How do i size the main , star and delta contactors for a motor control circuit using a 50Kw motor ? Do i just rate all contactors at 50...
Gents
Can anyone give me the standards and justifications for fitting a 300mA RCD for the purpose of fire/ equipment protection.
I have a UPS on...
why would you use yy cable for general lighting and power in a commercial environment over twin and earth, any ideas?
what would be advantages...
OFFICIAL SPONSORS
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc
YOUR Unread Posts
-
Anyone Worked on or been to see ABBA Voyage?I've not worked on that one but have worked on many other shows. The majority of my work is in...- Latest: davesparks
-
Working abroadHi, Could anybody point me in the direction of a company who sub contracts to other countries...
- Latest: Elliot018
-
How do you dress for an interview?Try getting stopped by Police with no id or mobile phone.,. That sure as hell gets them thinking!
- Latest: LukeD
This website was designed, optimised and is hosted by untold.media Operating under the name Untold Media since 2001.