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Hi, this is my first post, so be gentle!

I have 2381 and 2391, but this kind of work is not normal for me (I deal with 25KV equipment mainly), so I just want a bit of advice really!

I have some lights to put up in a grain store, and want to do the follwing:


  • A 60A MCB from the main 3PN board which is in a room off the grain store
  • 10mm SWA in to the grain store
  • 4 way SPN CU in the grain store
  • 1 32A MCB for the lighting - 10 400W SON lamps (16.6A)
  • 1 20A MCB for a pair of socket outlets
  • 1 6A MCB for ouside 400W SON floodlight
  • 1 Spare way.
Internal lamps to be wired with 2.5mm 3core SWA through a switchfuse - is 20A enough bearing in mind the start up draw of the SON Lamps?

Sockets also on 2.5mm 3core SWA

Outside lamp to be on 1.5mm 3core SWA

wire rope to be fitted to the inside of the building in order to provide a catenary for the SWA which will be the length of the building.

So, thoughts, ideas, pointers?

thanks, James
 
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