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Discuss Is this practicable? in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

S

sivoodoo

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Is the following scenario practicable and does it meet regulations?


A garage consumer unit with two 32A MCBs and one 63A/30maRCD main switch supplies two ring mains in 2.5mm T&E fom each 32A MCB.

This garage unit is fed from a 45A minitrip mcb in an old wylex board using 4mm T&E. (Distance from garrage unit is 300mm)

The main supply is PME

Each ring serves 6 twin socket outlets.

Your thoughts please

Simon.
 
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G

Guest123

  • Thread Starter Thread Starter
  • #2
Hey there.

4mm on 45A doesn't sit right with me.
 
S

sivoodoo

  • Thread Starter Thread Starter
  • #3
Yup! So if I fed the garage unit with 10mm that would meet requirements,

or I could just split the tails and Henley block.
 
G

Guest123

  • Thread Starter Thread Starter
  • #4
Hey.

Splitting the tails with henleys is best IMO. You can use a larger earthing conductor also, i.e 16mm tails and 10mm earth, as opposed to 10mm T+E with 4mm earth.

Cheers
 
S

sivoodoo

  • Thread Starter Thread Starter
  • #5
Cheers Lenny, I shall go for that, so everyrhing else seems ok to you?
 
G

Guest123

  • Thread Starter Thread Starter
  • #6
Yeah, seems fine.:D
 

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