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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 Electrical Engineering Chat - A forum for electrical engineers, electrical engineering students, and those who have been electrical engineers for a while. ;) - Chat electricals and electrics on ElectriciansForums.net :).
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In Australia, we use TN-C-S system. I have a switchboard feeds a pump in hazardous area. I knew for switchboard in Hazardous area it needs to...
Anyone got any memories ( for the Oldies amongst us) of running uninsulated earth wire, and trying to make it look presentable using those...
If a 6kW device in uk takes 26 amps (6000/230), does this mean the same device in the US will take 50 amps(6000/120)?
Evening all
Had a problem this week which has puzzled me a bit
Installed a machine last week which has 2 sides to it both doing the same operation...
Advise Please.
Called out to my local farm, who deal in fruit and veg, to a DOL starter switch which cuts out after a minute or so. This switch...
do panel builders need previous experience with manufacturer’s or is it ok to hire them
Had the DNO out to check cut out, make a sheathed earth available today and pull fuse whilst I fit isolator.
Got talking about pulling fuses and...
Hi guys,
I am not receiving any answers from the manufacturer so I have come here for your expertise. If you could please look at the electrical...
Hi there folks, names Jimmy, new to the forum.
Am just after any advice anybody has or any contacts anybody has regarding resettlement in NZ from...
So here is the situation
22kV/415V delta-star transformer with neutral point earthed on secondary
Downstream breaker of transformer 630A with...
Been mooching over the best can for sparks thread and got me thinking about when and how you racked your van, why you did it the way you did and...
Hi,
I have been with Checkatrade for 6 years, and in that time it has more than doubled in price. I have now been quoted £1500.00 for me on my...
Hi guys I have a big problem with 3-phase induction motor in star connection
The motor power is 3-hp
When the motor is starting periodically...
I know about type 1 and type 2 surge protectors,and which one to use.
But what criteria dictates the rated amperage of the device.
Are there any...
Challenge
I need to come up with a way to control an electric convector heater from a simple external on/off switch.
I have been given several...
What is behind the none linear drop in conductor reactance? Is it the stranding of manufacturing variants between gauges? Or something else?
For...
Just started a new project and thought I would time lapse it.
here is my first attempt (just the start of the project)
30 magnets (doors NC) is connected to an I/O device in a cabinet. Will a 10A power supply to the cabinet be enough, when each is drawing 95mA. Or...
Hello people,
I'm designing switchgear for a residential estate, of about 60 houses, specifically the protection for the incomer. Is there any...
Hi guys,
Can anyone explain why the high voltage cables on this pylon appear to be earthed at the pylon? It's on the north side of the M60 at...
Current EE college student with questions for advanced technical writing assignment. (I am supposed to interview an Electrical Engineer about...
Hi
A quick one I was wondering if anyone knows how a multifunction tester performs a loop impedance test.
I understand how to perform a test and...
Hey, I'm an electrical engineer in training and i was wondering how you could calculate the total resistance in a series-parallel circuit? I...
CBR units appear difficult to trip time test on some occasions. Not only myself but other colleagues too when testing 300ma/500ma CBR units find...
I have seen few cases where the owner of a factory uses transformer after the grid to lower the voltage, from 240 to 220v as a way to lower the...
Hi all,
I've just purchased a Victron 7 stage 30A charger : Victron Blue Smart IP22 Bluetooth Battery Charger - 12V 30A, 3 outputs -...
I’m currently problem solving a lighting circuit issue on a retail park.
newish install (12months old) IR of 12M Ohms across all three...
Good morning all,
A 'ground fault' alarm came in over the weekend on the 110V charging system. We have two 110V fans currently running and I am...
Good evening,
I am currently completing an NVQ 2357, I am doing this as an adult learner and I work in the trade. I am wondering for the NVQ...
Have had the above Fan in my Toilet for over 2 years. Every now and then the fan will, for no apparent reason, come on, run for a while then...
Who's familiar with Hager KRN190? It's called a "neutral connecting block" by Hager with no further info. This seems a maybe misnomer, but I have...
Thought that whilst we have a few actual electrical engineers on the forum, I thought I'd try and attract some more. Not sure if it's actually any...
Hi, I'm on vacation in Panama and got a minor electrical shock twice toughing the oven. Strangely now I can't reproduce it.
In the power outlet...
hello,
I have an NC in electronics and been a time served spark for just under 2 years. Due to being unemployed for a while im looking to broaden...
Hello!
I recently upgraded the 110ah battery in my camper van for a 260ah AGM one.
My solar panels (200w via MPPT, soon to be doubled) struggle...
Hello engineers.
I have a query. I have a panel board(mccbs) containing 100amp mccbs supplying various "life safety DBs" lifts, water mist pumps...
Ac power supply 440V
Inverter - Input 380-480V 50/60hz 11.2A
Output 0-480V 8.5A 6.8kva 3.7Kw
3 phase motor- 2.2kW 50Hz
Should i...
Just found this site which looks like it has some helpful folks on board. I've been self employed in IT & audio systems for more years than I...
Hi folks.. I was hired by a company to replace some Light pole Heads to LED. upon working this I saw a few things that are not up to Standards...
Hi team.
A couple of questions for you.
Just to explain as well. I've just completed the level 2 & 3 diploma, and I'm now trying to work out in...
Hi
I have installed a lighting circuit which has emergency with (integral battery packs) and non emergency lights on the same circuit (from the...
Hello all,
I'm curious. Crabtree boards with their moduler click in busbar system. Does anyone have a trick to linking the busbar and the earth...
Hi All,
Thanks for your time in advance.
I'm currently working as a mechanical engineer, in which I did an apprenticeship years ago and achieved...
does any one have a link for engineers manuals
regards in advance
Hi everyone,
I need some advice about how to chase into engineering brick. Full story below.
I've mounted a TV onto the wall, not my preference...
Did anyone ever find out what happened to E54 , I think it was around April / May , about 4 or 5 years ago he just stopped overnight !
If I...
Hi there, as the title suggests I would like to complete a course in cctv installation with the long-term goal of becoming a sole trader and...
BYRNE ELECTRICAL ENGINEERING
Hi there unsure where to ask so i have joined this forum hoping someone will know. I am currently employed by a large firm as a fire alarm...
Hi,
I have a foreign Hnd and a master degree in Electrical engineering as well as the 17th edition.
I am hands on in electrical installation but...
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