I need to get a 3 phase 400v supply over to a unit with around 32amp per phase.
The total length of the run is 108 meter fro source to consumer unit.
From the consumer unit there is already an existing 4 core 35mm SWA cable running 50 meters
And from the supply side there is a 4 core 20mm SWA...
Hello people Just so i get this right i thought i would post my maths here for people to comment on.
Garden lights on a sub main. Sub main is 20meters from the main CU on a 6mm armoured cable. the last light is 50 meters from the sub main. meaning end to end 70 odd meters.
So my maths are...
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Hi Guys,
Im abit stuck on this question and cant find an answer. I have rewired 4 flats and have 1 x 3 phase supply. We have a rifil board at the supply where all the flats connect to + a communal landlord board. My question is can we install the meters before the rifil board so its all in one...
Hello,
I have a question.
A local community support agriculture has a small PV system with batteries and an inverter driving LED lighting. The aim was to power a water pump inorder to irrigate crops with rainwater. The original pump (AC) wasnt being driven enough by the inverter. The...
I am looking to move a major amount of generation meters fitted on boards in the roofspace which are difficult for the meter reader to read.
First off I guess I would appreciate some help as regards what is entailed in moving the meter to a position alongside the consumer unit and how to make...
First can I ask MODs not to move this to the DIY forum as I do not seem to get answers from sparkies there.
I am in the following position. (for those who have seen my previous thread all 3 flats are now agreed to the move). 3 phase cutout is to be moved from indoors in cellar to outdoors. I...
Could anyone recommend a good clamp meter for measuring current, at a reasonable price. I seen a Martindale one on test meter. Does anyone know if they're good?
We went to see a potential customer earlier in the week who had had smart meters fitted recently. He told me that the engineer warned him about problems in the future if a PV system was installed and that it probably wouldn't be compatible with the meters he had fitted.
Has anyone heard of...
Converting large house to bedsits. The house has a TP supply with 3 SP meters feeding various CUs. Converting this to a TP dist board with 63A MCBs feeding separate submains to each unit so need a TP meter.
Spent 2 hours this afternoon on phone to southern electric going round in circles via...
Hi,
I need to fit 40 prepayment meters to a site. Currently, 1 large bill arrives for 40 plots and the bill is divided by 40. Obviously this is causing problems as they all claim to be using less electricity than anyone else.
the plan is, to fit a prepayment meter to each plot.
I'm looking at...
going to look at a job which he wants two token metres in flats i know you can get the pre paid tokens which landlord sells tennants but is there a meter you can pick up credit at most shops?
Using these things there yet,the POCO tried to fit them on my property,couldnt get over the fact that we had our own substation said that's a waste with parasite load well in the old days we supplied power to about 50 homes.This fellow ran into my mum who in her way,told him to leave otherwise...
Just landed a new job. It's only been 4 days and I'm about to quit today. The role involves working on gas meters (wall testing).
They want me to manually take readings from 20 gas meters on a wall. Each meter has about 15 data information which i need to type into a tablet held by my left...
Alright Lads
After some meter advice, just moved into a new house and the elec meter is a E470 & Gas is a Libra 310.
Now I'm assuming these are the new smart meters, but are they PAYG or monthly bill.. Or can they be configured for either. I've no info whatsoever, and the previous owner lives...
Hi all
This is probably very easy but for the life of me I haven't been able to discover the answer and solution.
Three phase taken to a tpn fused isolator, then taken to a sub meter and split to three spn consumer units (each being sub metered again) The neutral has been taken to a Henley...
a1colly
Thread
3 phase
checked
correct
meters
neutral
phase
polarity
problem
Hi guys .... and girls,
I am returning to the industry after working in other areas for the last 30 years........ I am time served with MANWEB and have just done my 17th edition regs to re qualify, and I start the 2395 / 2395 this week.
I have been gone so long I don't have contacts in the...
Hi there
Im renting a flat and have 2 x electric meters in it with what looks like one connected to a time switch. I have under floor heating of which I dont use.
I phoned my electric supplier asking to switch tarrifs and was advised that I can but because of the type of meters I have they...
Hi, I am in year 2 of my HNC electrical and electronic engineering, I have been issued the task to create an analogue multimeter capable of testing AC and DC voltages.
Carrying out my research for the past couple of weeks into the construction of these old analogue multimeters there is very...
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