Thoughts on........

[craig1000]

Static Caravan Park - been asked to look at continuing some work that's was started by a bloke (who was not spark) who has since died :-(......

4c x 25mm from 3p phase DB at incomer position goes off too a number of external enclosures looping from one to the next.

At each point there are henleys blocks fitted and then a 6mm (single phase) taken through a RCD and off into a caravan.

At the final point there is a 6mm and it goes off to loop feed x 5 caravans.

Total of 12 caravans fed I believe.

At the DB the cable is fed via 3 x SINGLE PHASE mcbs so the caravan park owner can shut 'sections' off at time for maintenance rather than the whole side of the park.

I haven't gone to see this yet myself - just gathered what info I can and had one of my lads call in briefly to have a look.

 

[Engineer54]

Need a lot more information than that i'm afraid, we don't even know what the earthing system at source is or the distances we are talking about here??

 

[craig1000]

I'll come back when I have further info, that's all I have at present - going to look at it today hopefully.

 

[craig1000]

My concerns are it having a 3 phase load being switched by single phase MCBS and also the point where the 6mm goes off to feed a number of units - suspected as x 5 - 6mm on a 63 amp supply dropping from 25mm with no point of isolation ;-/

As I say I am going off very loose info at the minute so once I have viewed it myself I'll know a lot more.