>076<
CONDUCTOR MATERIAL
>078<
COPPER
Conductors shall be copper (Cu), #10 AWG and smaller may
be either solid or stranded, #8 AWG and larger shall be
stranded.
Final connections to all motors and/or equipment subject
to vibrations or movement shall be made with stranded
copper conductors.
>080<
ALUMINUM
Stranded aluminum (Al) conductors may be substituted for
copper for feeders rated 150 amps and larger, except for
HVAC and diagnostic equipment (X-Ray, MRI, CT-Scanner,
etc) and if state and local codes, local inspection
authorities, and the local utility permit the use of
aluminum, and if approved by the BUILDER's Electrical
Engineer.