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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 Commercial Electrical Advice - Discussions on Three Phase Supplies, three phase machinery and motors, DOL starters, phase sequence, running steel conduit, trunking and other questions on industrial and commercial electrical installations and maintenance. Commercial Electrical Talk. Also notice our Electrical Advice Forum and our Industrial Electrical Forum.
Some popular forums: Electrical Forum - Electrical Wiring, Theories and Regulations - Periodic Inspection Reporting & Certification - Electrician Jobs
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Hi All
I am new on here and looking for some advice on converting a car ramp to single phase. This particular ramp is sold in 2 versions single or...
Hi all, looking for a bit of advice and confirmation on my proposed plans for a SWA sub main to a ISO metal storage container. I've calculated the...
Just sat contemplating life and realised i don't think i've ever seen any RCD protection on the boards we maintain/install at work.
I've seen...
Ive never used the stuff but would like to hear others opinions?
So Allianz insurance inspector has pulled up a C3 ( I know it’s not mandatory) about magnetic effects from a circuit.
so we have a small 9-way...
I've an M&E client who wants me to replace a whole load of 'tired' 5v panel lamps on BMS systems for LED. My spidey sense is pricking my brain...
Hi I have a 3 phase 400v motor wired in star configuration it is controlled via a 3 pole 415v coil contactor which is switched simply via a stay...
Hi, I’m a bit new to this and I understand how to wire thru a grid key switch for emergency lighting but could someone please explain or show a...
I am currently running around the country completing remedial work on the back of EICR's and have came up with a confusing pair of C2 faults as...
Due to a damaged underground SWA that would normally feed a sub main, I may have to place a genset temporarily to run a small kids funfair area at...
OK.. I have a faulty RCD to replace as seen on the photo. It feeds a 32amp ring circuit, in a commercial premises on a 'TT' supply. Ze=37.6...
Thanks for the interest in my earlier question.
I have just paid my DNO a lot of money to install a 3-phase connection with a maximum load of...
I am drawing up a contract for a job in a domestic property which has a 3-phase Distribution Board and need to supply 3ph to a heat pump that's in...
I've been watching Residual Current on youtube (great vids and great bloke btw) and really love watching the more industrial/commercial side of...
Hi All
I haven't done any 3 Phase work for some time but I have just been asked to wire up a new woodworking workshop.
There will be 6 - 7, 3...
I am looking at installing electrical supplies for a series of equipment that form a DPF test bed. There will be five individual machines needing...
Hello, wanting to install a new (old) MCCB in an Dorman Smith Loadline board, found a couple online, however, the client ordering the works is not...
I am a Maintenance man. I also hold a journeyman's license. but I am at a loss on this one. I have 2ea 50 hp air compressor. Both seem to be...
Hi, i am attempting to do the 2396 exam and in the process of doing a practice paper.
Qu. A distribution circuit is to be installed using a new...
Good morning ,
i am about to set up a pop up shop in a shopping centre. In order to do that i need to provide them with a power draw of the...
I have a workshop in a remote location which I rent out. The incoming supply is 3 x 16A three phase on 180m of 16mm SWA.
An upcoming customer has...
Good afternoon all,
Our company installs fire alarm systems in convenience stores but it's always limited to a conventional system whether it be...
I need to install a kill switch/bang button that will kill up to six single phase circuits over three phases. Is this possible using one switch?
Hi
I work for a Manufacturing company based in Cheshire East, in our factory we have a 1940's era 10CWT Lift manufactured by Evans Lifts - which...
Have a client who wants to have a go at putting in some conduit runs themselves, mostly for the challenge I think. Anyone found a good YouTube...
Hi All,
Just looking for some rough pricing on what it should cost to have the below installed, I've been quoted the below by a commercial office...
i am working in an office building that has several C02 sensors. They sense C02 levels only within offices that are enclosed
where are C02...
Good afternoon...
Can anyone tell me whether additions can be made to a protec algo tec 6300 fire alarm, without proprietary software or leads...
What are you chaps using for intumescent seal and chafe prevention on rear entry consumer units where the big oval hole(s) have been knocked out
Pict
So, I've had one of those days of chasing my tail...
What should have been a simple hour's job of fitting a 3ph CT consumption meter.....
no /...
Hi all
Regarding bonding of cable tray and basket. Is basket required to be bonded if only data cables installed on it ? plus bonding cable tray...
HI all,
changing a board in a commercial warehouse and they need a 16amp feed to a new roller door, there is an armored there that will do it and...
Hi all
Just a question on segregating of cables and other services. I have a tray route to install for a small cafe and going to be supplying...
I have a boiler with a 20amp disconnect switch. The owner wants to add 2 mushroom head E-stops. If there is no e-stop terminals in the boilers...
Good morning everyone wondered if you could help, so carried out and EICR of 3 commercial units in 2019 and since then had a dispute with the...
Discuss! This is a Daikin ASHP compressor, as delivered and prior to my install....
Hi there,
We have a small commercial laundry which we're told need to be re-wired. There is an old 3phase 3036 fused board and wiring in metal...
Hi guys does anybody please have a template risk assessment for the omission of RCD protection? Or does anyone know where I may locate one? Many...
I was asked to fault find on a Ideal IMAX W60 commercial boiler which I did and found that the boiler controller was faulty.
My question is, am I...
Thoughts of experts welcome. The first smart meter installer walked away as he wasn't three-phase qualified but i'm wondering whether we should...
We've been tasked to run power to some electric motors on some pumps and the building is currently 120/208vac 3ph. The motors are 230/460vac 3ph...
Hi guys!
I'm new to the forum and seek advice on an issue that I have been experiencing in my flat in Ireland. I'm not an electrical professional...
Hello.
On paper I'm a fairly well qualified electrician but lack some experience of this stuff.
Got a large flat bed roller conveyor...
Here is the circuit parameters I am trying to build, I just can't seem to figure it out.
When the start button is pressed, motor 1 turns on
Motor...
We have some shunt-wound DC motors that are used are servos (so operate over a big speed range and in all 4 quadrants, motor and generator both...
Hi all
I'll freely admit, I'm out of my depth here.
I've been asked to sort some lighting in a bathroom do do the following:
Main lights and some...
Any recommendations for a commercial kitchen single phase DB?
Small pub kitchen and no space, two fryers in the same room and lots of lovely...
Thoughts on this scenario,obviously a short circuit fault situation
Doing a board swap on a HMO property with a TT system later this week and I've been asked to add OCPD for an L1 fire alarm system.
As usual the...
Changing contactor,this one clatters & buzzing.
Will put a report in,can you see the red 2.5m single cable,this comes off the LIVE side of the...
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