Good afternonn,
I am new member in this forum and it's my first participation that I hope will not be the last!
I'm a mechanical ingeenier and I'm looking for the complete and correct manner or formula to determine and calculate a cable section in a three phase circuit.
It will be very helpful...
Hi chaps,
got a big problem here, cutting power in the house I'm working in sets the alarm off and the reset code doesn't work! (alarm hasn't been used for donkeys years anyway, it's an ancient piece of tat...
Anyone know how to silence a Micromark 23022? Tried googling for manuals, but none...
Hi
I hope someone can help.
I am testing a 1920s semi (my own).
I have come across a radial circuit (supplying socket outlets) which, when supposedly isolated (mcb off and all cables free), is still showing 37 volts LE LN.
I have found that the voltage is reduced to zero by switching off one of...
Colonel Hathi
Thread
between
cables
circuit
circuits
current
fluke
leakage
urgent
voltage
After much nagging it appears that an advert in an energy related publication I paid for before Christmas is going out in mid April. I'm debating (with myself mainly which is why I could do with some help) about whether to put a "from" price on the advert. It opens up our pricing to our...
Cant believe it one of my customers has contacted me in a state of shock after submitting his EON fit on Friday, EON has come back to him to say they are only excepting EON FIT applications from existing EON customers.
I guess there is time for my customer to reapply but with the deadline...
finchy
Thread
customer
customers
electricity
energy
fit
long
supplier
urgent
Hi, I've just done my PAT testing course and have a urgent question. I'm doing the PAT testing for my firm. In the course we kind of drifted over class 3 items as it is very rare you'll come accross them. Typically, one of the sets of scales we have at work is a class 3. I have two PAT testers...
I have a lighting circuit which consists of 4 12V LED "starlights" and 4 5Amp sockets. My electrician says the sockets will only work with 12V lamps. The people who designed the plighting plan say a regular 240V table lamp should work fine in the circuit (with the correct plug)
Circuit is...
Just sat watching tv hurd shouting outside then picture disapeared went outside ariel on floor and some gezzer in red stuck in my chimmney head first!
Just wondered if theres such a thing as a santa clause in my house insurance?
Hello i was wondering if any one could help me i am doing my level 3 at college and have a bit of knowlege but not loads the problem is i woke up this morning and my electric wasnt working i checked the meter and every thing seems fine then i checked the db and it had power too it if i turn all...
Baker1988
Thread
checked
domestic
house
incoming
meter
supply
tails
urgent
voltage
brand new to this forum so hi guys,
names Phil i'm 20 nearly 21 and have been working in electrics for nearly 4 years now.
i'm due to be finished up as there is no work left with the company i work for.
i have completed half of my NVQ but i could do with some guidelines to complete the other...
P-Courty
Thread
appreciated
course
electrical nvq
hand
needed
nvq
tomorrow
training
urgent
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Dear All, As part of the campaign to protect the feed in tariff and try to push back the date for the changes come into effect...
Unexpectedly, we have just been given the go-ahead to install pv on two doctors surgeries for an 8.8kW and 14.6kW installation
Does anyone have any advice at all on whether it's possible to get quick DNO approval for these?
We have the kit and the manpower to install...
Any advice would be...
Hi All,
I am not sure if this is the right place to post this query. Based on the FIT reduction coming in in Dec, I would like to get a 4kw Solar PV System installed in HA5 postcode urgently across my South and West roofs.
Can you please recommend any MCS approved installers who can do an...
dear all,
i am going to wire a worcester conventional boiler, the old oiler, has Perm L, N, E, Pump L and Switch L, but the worcester boiler has:
1. Main L
2. Main N,
3. E
4. Ls
5. Lr,
6, Ns,
7, External Pump Nz
8, External Pump Lz
i dont know connect which to which really, anyone can help...
Hi all, have just landed a job to go at on evenings and weekends as i work mon-fri as a 4th year apprentice.
There is a new build site which 4 of the houses require all 2nd fixing and also another 3 which require pendents changed for spots in living room and kitchen. Was just after help with...
Help, new to the forums but an NIC contractor for the last 20yrs....
I need to 'break' 50mm 3phase tails next week and install blocks (at least 4ways) for the installation of a PV system by others.
The incoming supply is 170amp per phase.
Denmans and a local wholesalers cannot find me any...
Hello all members of electricians forum, I am a young electrician wanting to gain success. Currently i am 18 years of age and i have 1 years of domestic and commerical experience. Moreover I am looking to start my own jobs on the side and would like to know the rates of installing different...
When using a cable that has brown black and grey and you want to use them as live, neutral and earth, which colours do you normally use for the neutral and earth, am i right in thinking
Brown - Brown
Black - Green yellow sheathing
Grey - Blue Sheathing
Thanks
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