OT(Slightly) Street Lamp Infrastructure.
 

Chris B wrote:

why use cable capable of 32A to run up a
pole with an 80W lamp at the top.Â* Repeated on many, many posts would
this not lead to considerable unnecessary expense, compared with running
say 5A cable?

Are they wired loop-in/loop-out on the cutout? if so a whole street
worth could add up, especially if they have to cope with larger strike
currents, and even more if the whole string turns on at once, rather
than randomly, or in sequence.

OT(Slightly) Street Lamp Infrastructure.
 

On 27/12/2018 09:14, Andy Burns wrote:
Chris B wrote:

why use cable capable of 32A to run up a pole with an 80W lamp at the
top.Â* Repeated on many, many posts would this not lead to considerable
unnecessary expense, compared with running say 5A cable?

Are they wired loop-in/loop-out on the cutout? if so a whole street
worth could add up, especially if they have to cope with larger strike
currents, and even more if the whole string turns on at once, rather
than randomly, or in sequence.

I couldn't really see where the wire came out of the 32A device (and I
wasn't going to move any cable to get a better look) but there appeared
to be one armoured cable coming in at the bottom.

https://www.dropbox.com/s/6yi50aoqyj...2638a.jpg?dl=0

lots of spare cable looped up and a single cable going up to the lamp unit

https://www.dropbox.com/s/84jlxe99sh...2726a.jpg?dl=0


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Chris B (News)