If you're running them on a rooftop (i.e. not buried),
expansion/contraction is a bigger issue with aluminum than copper-- so
plan for that as best you can, like with loops in pull boxes and sweeps
rather than LBs.
On 2012/2/13 13:39, Exeltech wrote:
AL advantage:
Weight (especially in long o
AL advantage:
Weight (especially in long overhead runs).
Theft factor (less attractive than CU to thieves at the moment).
CU advantage:
Smaller conductors for a given current.
CU-friendly lugs are readily found on the shelf.
Ease of attachment to hardware.
Less brittle/more flexi
Gurus,
Other than the cost and increased labor what else could be a factor in
determining whether or not to use copper or aluminum in long output
circuits?
--
*
James B Rudolph
NABCEP Certified PV Installer
California Certified Journeyman Electrician
*Don't get me wrong: I love nuclear energy! I
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