I have an Install where a 16mm 4core has been installed previously. ATM the SWA is coiled up either end At the supply which is a barn converted in to an office for the homeowners business and plant room in new extension to the house. There is no PME available as over head, in the middle of no...
Leesparkykent
Thread
circuit
distribution
install
neutral
phase
rcbo
rcbos
single
three
three phase
where
Hi Guys
its been a while since my last post. Here goes.
My client, a large office on one floor of a complex, are responsible for a three phase supply to their office. EICR carried out 2 years ago. They are not allowed access to the distribution board to operate MCBs RCBOs etc but they are...
Hello All,
1.Star connected earthed neutral Source to Star connected earthed neutral load? Say if a L-G fault occurs between the source and load, How does the fault current gets distributed? To the source side neutral or load side neutral?
2.Star- Star Transformer. Neutral earthed on both the...
Hi,
The background.
A church bought a derelict farm about 4 years ago. They demolished several non listed buildings and put up new wood buildings in their place. A new 100 Amp single phase supply was brought into one of those buildings and a henley block used to supply a local consumer unit...
Hi all,
First off, I apologise for my ignorance and I am certain I will say many stupid things and use the wrong terminology!
I work at a Holiday park that is quite large. We have a few toilet blocks that are out the way, but we would like to get the internet down there. The distance is too...
alexjb1989
Thread
across
boards
distribution
electrical work
network
powerline
Hi. Im looking for the best advice for wiring an emergency stop circuit controlling a dis board via a contactor. This is a dis board feeding circuits in a workshop so the whole dis board must be de energised when the stop button is hit. The problem being the contactor is fed from the dis board...
i am only a second year apprentice so please bear this in mind if this question comes across as stupid..
i am currently working on a site where one property (old pub) is being converted into 8 seperate flats, and at the minute we are working on the power distrobution to each individual flat...
Existing Labgear LDL216 TV distribution amplifer working well with 2 inputs (TV and DAB) and 14 outputs. The amplifer is in the roof space and the inputs come directly from the aerials about 3m away on the roof.
There are two spare outputs but I need an additional 10 outputs. I can't find a...
Hello Everyone,
I am after a bit of advice, which I am sure to you guru's is simple but to someone who has absolutely NO ideas on electrics, I am calling on your help.
I am looking to use 20 x Electrolux W555H Washing Machines & 20 x Electroluc T5130 Dryers and need them to be powered by...
Ross Flight
Thread
distribution
event
generator
generators
machines
power
requirements
Hi all, I want to feed a small 2-way distribution board from a spare way in the main consumer unit.
The new 2-way board will have either two B6 MCBs for separate lighting circuits, or there'll be one lighting circuit and a separate socket circuit. What sized breaker do I need to use in the spare...
Kingston555
Thread
checked
circuit
consumer
distribution
lighting
power
Hi Guys, just a quick question to see if anyone can point me in the right direction.
Does anyone know if there is a Reg stating that you cannot put a lock on a dis board or isolator enclosure in a residential environment. Something along the lines of it needing to be accessible without the use...
ChallengeElec
Thread
align
boards
class
consumer
distribution
isolator
locks
range
residential
I am setting up some temps on a small site consisting of approx 3 110 transformers 2 portacabins offices sitting on top of each other, a portacabin toilet and a portacabin drying room.
The supply is a 3 phase DB.
Im thinking use 1 phase for the trannys, 1 phase for the offices and the other...
Hi,
i have a supply from my main DB in the house supplying my garden shed. The garden shed has a small DB supplied by SWA. I would like to use the shed DB to supply my summer house and then from the summer house onto an additional shed.
Obviously, I realise there are other factors to take into...
Chris-1977
Thread
board
cable
chris
distributiondistribution board
house
supply
Hi All,
there are several threads on here about cable tracers with a very mixed bag of reviews/opinions about them.
Has anyone used them in similar circumstances to below & if so how did they perform?
I've been asked to carry out a full validation survey & produce a distribution schematic of...
SELspark
Thread
areas
building
cable
circuits
distribution
fluke
similar
Hi, I just have a quick question...
in the factory I am working in there is a 63amp Mcb feeding an 32Amp Switchfuse
which is then feeding a little distribution enclosure which has a 20amp Mcb for one
rcd socket, 20amp,16amp, 10amp and a 4 amp for machinery.
is this right because it does not seem...
Hi I've been pulled today for installing an swa glancing into the top of a header trunking then taking it through the db, saying its against the regs saying a once a main sw is off the whole db has to be dead, I can't find a reference to it,
normally I would always gland it in the bottom of the...
Hi,
Would anyone be kind enough to explain how a three phase distribution board works?
What I would like to know is:
How can you identify a three phase distribution board without removing the case?
If you have labels marked L1, L2, L3, would these generally be for each phase?
Can one of the...
Anyone know where I can view up to date reference documents etc to acquire the Maximum Zs for distribution circuits protected by 60947-2 MCCB's?
Regards
David
I am having to run a large SWA feed cable to a fixed load (45Kw TP). The cable will be run externally but above ground on cable tray.
Do I need to provide RCD protection for the SWA cable at the distribution board end??
chloebear
Thread
arrangement
cable
distribution
earthing
protection
rcd
sub-main
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