Thanks ProDave, I did say 13KVA they came back with 5.5KVA I said that I still don’t think that is enough. Eventually they came back with 10KVA felt like I was haggling with them. I was just wanting to confirm I wasn’t over exaggerating.
Wondering if anyone can help with this. My company has a new build development 12 x 2 bed semi detached. They have gas heating 1 electric shower en-suite, 7kW car charger. Roughly what would the average KVA be for these properties? Scottish power has come back with 2.5KVA per property but I...
The load is 100Amps
just now the board is on a TT
but I can run an earth in with the new SWA
Ze 0.08
its in a duct buried
45 meter run
all that we are putting onto this board is 6 car charging points
6 x 32Amps
It’s the calculation part I’m not confident with. I would think a 35mm 4 core would be fine. If you can help me out with the calculation when you have time that would be great. 👍👍
Hi m8,
it’s 100Amp main switch
a sub contractor installed a 16mm SWA for this already but it has been flagged that it is too small.
they now want the cable calculation. This is what I am struggling with.
cheers
Hi All,
I am very rusty on cable calculations as I haven’t really needed to do it very often and kind of need a bit of reassurance.
I need to supply a 3 phase sub board, 45 meter run in a duct from one switch room to another.
main supply is 100Amp
Sub board is a 3 phase 100Amp main...