Electrical Distribution board Q

Question

I’m in the process of getting three phase supply put in, SSE have advised I’ll need to have distribution/supply board setup for when they lay the cable. 
My question on is, what type of board to I need, they mentioned it would probably be on a concrete plinth and on a wooden back board.
Looking for advise on all this please 
(I’m in the process of trying to find tradesmen to do all the excavation and electrical work)

Raddius · Accepted Answer

You will need a 5core SWA armored cable, 3 phase distribution board, with a 3-inch backboard on top of a 2×4 timber.

Sean · Answer

I would recommend a Wylex-NH-125AMP TP and N
Prices range from £98 to £299 + VAT depending on the amount of ways required.

Marcus · Answer

Generally, you put a DB on a block wall for two  reasons 
1) mechanical  integrity
2) fire containment, domestic boards are put on wood  for  ease of  fixing for the  network provider or  meter company
who ever is designing and calculating the system  should specify this, also, it should be a fireproofed cupboard  with a lock and heat sensor 
when you calculate you should forecast for additional circuits, and  also a surge protection device, 
I am an electrical designer eng and inspector, an electrician should be able to do this, TPN (three-phase and  neutral ) boards start at 100 amp per phase,
If you're  laying a cable in the ground for supply then  SSE have set criteria  under ESQCR, BS62305 is the lightning protection regulations, Part B is building regs for fire, BS7671 is elec regs,
As this is not domestic the SSE will require a DEAD TEST before connection to a  meter.
Hope this helps.

Patrick · Answer

Research hager boards they will then advise you on what size etc

James · Answer

3 phases can be run into a single board and split into other boards where needed

Electrical Distribution board Q

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