**quote
The gray will just be the outer sheath though. It quite likely has red inner insulation
** end quote
D'oh - of course it will. All these colour changes are confusing!
**quote
practically all the overhead services here in which the two cables just drop down through the wall or roof void and terminate into the fuse and neutral block
** end quote
True enough for days gone by, but it is unlikely that any PoCo will install a service like that these days.
Any exposed service cable will be concentric to stop people tapping off the phase conductor, and anywhere where the phase conductor is exposed should have a security cover over the top.
Edited 'cos I can't work out how to put the quote things in using UBB!
[This message has been edited by ianh (edited 03-06-2006).]