? so
swa size
- Thread starter markymark2406
- Start date
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So, go to BAS's site
Type in your postcode
Call resulting qualified electrician
Spend time with him/her understanding how its done
Heh reading your posts rarely makes me laugh but that one did
He's going to bodge it anyway.
Why should he?
Doesn't it......?
Which means he must have a copy of the regulations, he must know his way around them, and he must understand them.
Doesn't it......?
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You know that's not the case.
17th edition exam is a multiple guess way of finding out if you can read a subject index.
Very little to do with practical electricianing.
17th edition exam is a multiple guess way of finding out if you can read a subject index.
Very little to do with practical electricianing.
well i scored 96% in my 17th !!
4mm 3 core cable lengh 35 metres max load approx 10amps, fed into 2 way CU in Shed x1 6amp for lights and x1 16amp for radial oh hold on minute that excedes the cable max, so what do i do? use a mk 3 gang 13 amp socket with internal fuse and wait for it put a 10amp fuse in job done.
The earth issue, it will be earthed from the house but it will not be connected inside the she CU, the earth bar will be to a stake outside the shed.
Easy oh by the way work for NIEEC, testing you lot
4mm 3 core cable lengh 35 metres max load approx 10amps, fed into 2 way CU in Shed x1 6amp for lights and x1 16amp for radial oh hold on minute that excedes the cable max, so what do i do? use a mk 3 gang 13 amp socket with internal fuse and wait for it put a 10amp fuse in job done.
The earth issue, it will be earthed from the house but it will not be connected inside the she CU, the earth bar will be to a stake outside the shed.
Easy oh by the way work for NIEEC, testing you lot
so you're not exporting the PME then.. in that case you'll need to have a 100ma RCD incomer on that board, or double pole RCBO's to accomodate the fact that you are now making it tt..
and in what world does 22A exceed the maximum rating for 4mm cable?
table 4D4A 4mm multicore armoured cable 70C..
38A clipped direct
41A free air
37A buried..
so maximum breaker I'd have on that cable is 32A
max load is also not 10A.. that's expected load..
max load is the sum of the breakers on the board you're fitting..
so 22A..
vd is 11mV per A per m
so (11 x 22 x 35 ) /1000 = 8.47V..
max permissable drop is what? 11.5v for power 6.5 for lights? ( 5 and 3% of 230 respectively? )
and in what world does 22A exceed the maximum rating for 4mm cable?
table 4D4A 4mm multicore armoured cable 70C..
38A clipped direct
41A free air
37A buried..
so maximum breaker I'd have on that cable is 32A
max load is also not 10A.. that's expected load..
max load is the sum of the breakers on the board you're fitting..
so 22A..
vd is 11mV per A per m
so (11 x 22 x 35 ) /1000 = 8.47V..
max permissable drop is what? 11.5v for power 6.5 for lights? ( 5 and 3% of 230 respectively? )
But why did you bother taking the exam in the first place?
Three months ago I couldn't even spell eluctrision, now I are one
the main switch is a 63amp RCCD on the shed board. i only going to put a 16amp breaker in the house board.
So, what do you think that 63A refers to?
What size breaker will you have in the shed CU for the sockets?
I thought you said 16A there so how will that discriminate with a 16A breaker in the house?
What size breaker will you have in the shed CU for the sockets?
I thought you said 16A there so how will that discriminate with a 16A breaker in the house?
to the rest of you..
do the calcs I did above seem about right?
do the calcs I did above seem about right?
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