Domestic insulated power cable

[Gray git]

http://www.northernpowergrid.com/

 

Somewhere in the contact section or services you can request a site visit to confirm what is needed, you will end up dealing with amey who for the dozen or so times I've needed it over last few years have been very good and efficient.

 

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[Marc Lewis]

You can work up to 1m from the power lines, 9m seems a bit ott, You only need 2.75m clearance from network rail and that's 25000kv

 

I think an adequately trained tree cutter and with permission from the dno can work up to within 2 metres of the conductors not 1 metre (i may well be wrong). However, i don't think that the op is trained, otherwise he would not be asking. I repeat that untrained persons should not work within 9m or 2 tree lengths of these conductors. Now i think most folk who cut trees will not have a problem working within these perameters but when it is close and you are unsure then i would suggest speaking to the power line company.