Sets forth, for use by qualified personnel, a number of basic procedures that may be used for the inspection and preventive maintenance of molded-case circuit breakers used in industrial and commercial applications rated up to and including 1,000 V 50/60 Hz AC or AC/DC.
NEMA AB 4-2023 History
NEMA AB 4-2023
$76.00 $153.00
NEMA AB 4-2017
$76.00 $153.00
More Standards PDF
JIS S 6013:2002
$21.00 $43.00
JIS B 6336-2:2002
$47.00 $94.00
JIS C 1304:2002
$19.00 $39.00
JIS Q 14015:2002
$72.00 $144.00