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Just a couple of corrections to Hank's suggestions.
NEMA boxes indicate that it was built to National Electrical Manufactures
Association standards, and unless you add a number to it does NOT mean that
it is waterproof. The you would need to ask for a NEMA 4 box or a NEMA 12
but a 12 is stainless, expensive, and hard to cut.
SJO is an indication of lower voltage flexiable cable, for voltages under 300
volts, as SO cable is good up to 600 volts. The cord connector is actually
refered to as a cord grip body or CGB for short, and is sized based on the
diameter of the wire.
Sorry to be picky, but want the right information. Also be aware that there
is a difference in the electrical business between water tight and water
proof and it's confusing to some. Water tight (NEMA 4 and NEMA 12) prevents
water from entering the cabinet; while water proof boxes (NEMA 3R)can get
water in them, but the design of the equipment in them is such that a little
water in the bottom will not cause an electrical short.
Tom Campbell - Birmingham, Alabama
Electrical Engineer - Master Electrician in 7 states - 27 years heavy
industrial work
This archive was generated by hypermail 2b29 : Thu Jun 01 2000 - 22:37:12 PDT