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.
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Hi, L+G ZMD120A53 is displaying FO40000. I have searched the net and contacted L+G who refused to assist.
Been waiting 6 months for supplier to...
Hi, we are converting old farm buildings to commercial units, and as my father used to run a vacuum pump and compressor in his dairy I always...
wiring a 480 volt 3 phase 114 amp generator to run 2 machines. Both machine nameplate 480 v 3 phase 50 FLA. What size wire and over current...
Hi
I'm installing two new sub-mains. I need to parallel some of the supply cables.
It's the main incomer in 5 x 25mm, with 5 x outgoing 25mm...
I need to connect an infrared panel to the ceiling. The panel comes with a pre-wired 13amp plug, but it needs to connect to the supply left in the...
Hi
I recently installed a supply for my mates welder in his workshop.
2.5mm SWA from existing TP Schneider DB to 16A wall mounted socket...
Hi,
I am looking for some quiet contactors to control a pair of 3 phase 20KW fan heaters in an art gallery. Are there any favourite suppliers?
Hi there - some of you might have seen my previous post about current-measuring CT clamps. This is another question about them! Once again I'd...
I have an an electric brake on a three phase motor with the attached wiring schematic which is part of a wine press. At first I thought this was...
Good morning,
I have a 3 phase supply into my workshop Hager dist board. I need to measure my usage for business accounts.
My Electrician...
I am not a graduated electrical engineer, but I have currently completed my second year of Electrical Engineering and I am going to go to third...
I am wiring an external soap dispenser into a large washing machine and there is not a terminal to connect my common wire coming from the...
I'm looking for the best and long lasting cable for my commericial building please suggest me the best brand cable and specification .
Thanks...
- Question
Hi All,
Newbie to the forum. I am planning to add solar power to my house and would like some advice regarding options with adding and inverter...
I'm having a bit of a brain fog moment (changing medication is such good fun!) and am looking for confirmation that I'm either right or talking...
Hi there,
I'm looking for some advice on installing a defibrillator cabinet in an ex BT phone box. I have taken ownership of the phone box and...
Iv been asked to wire a separator (portable to go to different farms and separate water from slurry) to a 3phase 40 kva generator. The separator...
I have one 1kw single phase and one 5.5kw 3 phase inverter to drive 2 motors.
As the installation is in proximity to 2 smart meter, I'm thinking...
Hello everyone
i recently got a job on replacing a BMS panel in a plant room. the NEW panel i installed except the control side of the...
evening all
ive got a single phase AC fan motor running normally however occasionally on start up it starts in reverse. i have 4 no fans, and this...
Guys
I have 2 DOL starters which share the same supply for 2 toilet extract fans I have a selector switch wired up and and a set of auxilliary...
Morning All,
I am currently involved in a project for 2 under pavement vaults both have been stripped out to allow for full tanking (wall and...
No necessarily electrical related but thought someone else might have come across this…
We are doing an office refurb and a couple of the sub...
Looking for some guidance here. I'm currently shadowing a guy and we're testing a new extension on a school. 3 phase TNCS supply from the original...
Hi Everyone,
I have recently purchased a spot welder- Celette Scorpion 2400R.
Plugged it into my three phases and it blew fuses(3x20A) with the...
Hi,
We have a battery storeage system in our house.
Do you know who is offering the cheapest night rate electricity charge per kwh at the moment...
I am helping a local football club who are having some issues with Zs being too high on the submain. They have the supply Henley blocked into a...
Hi there as detailed in the picture I have a lot of fridges and freezers to be installed within a commercial environment as of running the cabling...
Hi there sparkys!
I work for a company who manufacture CT Clamps to measure current consumption. I'm a presales engineer, not an electrician...
I've got a large USA artist music tour starting soon across Europe so we're having to sort out lots of reducer transformers etc, no big deal. But...
- Question
Im an apprentice spark and have been sent to look at some bonding work at a restaurant as apparently staff have occasionally been getting shocks...
- Question
Hi, I'm designing a wireless switching system for a cattle water trough. I'm looking for a float switch which would send a wireless signal to a...
Hello, not sure if this is allowed but here goes,
I was recently staying on a caravan park along with many others, (touring caravan not static)...
I've been asked to install Schneider AFDD's into a single phase board. I'm to supply the board with RCBO's and AFDD's. I've purchased the new...
The machine is a Sunnen CK-21-E used for Honing. I cannot find any manuals but ill post the tag. I dont believe its multi-voltage which would make...
Hi all,
I've got a small catering business out of a converted horse trailer and purchased an inverter generator to power the trailer, mainly just...
During a recent EICR the RCBO keeps tripping , i measure leakage of 2.6 ma when clamped around line and neutral, when i clamp the cpc i get over...
hello thanks in advance this is my third post.
my question is if i can use an alternative to this manual starter? even maybe just an industrial 3...
Hi all,
We've been asked to upgrade 450+ 6ft single fluorescent battens to LED. The client had requested for each fitting to be connected into...
This must be such a noob question but I cant seem to find any answer out there:
Background: Installing a 10hp Air Compressor 230V 30A 3Ø. The...
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2x4.8kw hot water with 1x4.8kw sourceI have a 4.8kw solar diverter with 2 x 4.8kw hot water systems. Is there a switch that will only heat one hot water system at a time and switch...
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Torque TalkLong time no see and I hope you're all doing well. I see that torque screwdrivers have become the height of fashion in the UK over the last...
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I.R. testing existing circuitsThe accepted method of I.R. testing existing circuits has been to join L and N together and test to E, to protect against damaging any electronics...
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2 gang extension plugged into spurred socketI recently spurred a double socket off the ring main to wall mount the TV and sky q mini box. I have now added a soundbar so need another socket...
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One for our static caravan expertsHad a call from a local caravan site… under new ownership, and creating some new pitches. Went to site to have a chat, the guy already knew I’ve...
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