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Description / Abstract:
This Standard is intended to be read together with the Standard
for Rotating Electrical Machines – General Requirements, UL 1004-1.
The requirements in this Standard supplement or amend the
requirements in UL 1004-1. The requirements of UL 1004-1 apply
unless modified by this Standard.
This Standard covers Design B polyphase motors, as defined in
NEMA MG 1, Motors and Generators, rated 500 horsepower (373 kW) or
less, 600 volts or less, that are intended for use in accordance
with NFPA 20, the Standard for the Installation of Centrifugal Fire
Pumps.
This Standard does not cover the fire pump controller. These
controllers are covered by the Standard for Fire Pump Controllers,
UL 218.
These requirements do not cover motors intended for use in
hazardous locations as defined in the National Electrical Code®,
NFPA 70.
The National Electrical Code® and
NEC® are registered trademarks of the National Fire
Protection Association, Inc., Quincy, MA 02169.