Replace this clause of the RD with the following:
This Standard applies to
UNINTERRUPTIBLE POWER SYSTEMS (UPS)
. The primary function of the
UPS
for this Standard is to ensure continuity of an alternating power source. The
UNINTERRUPTIBLE POWER SYSTEM
may also serve to improve the quality of the power source by keeping it within specified characteristics. This Standard is applicable to movable, stationary, fixed, and built-in
UPS
for distribution systems up to 600 V a.c. This equipment is designed to be installed in accordance with the Canadian Electrical Code, Part I, CSA C22.1, or the National Electrical Code, ANSI/NFPA 70, and, unless otherwise identified, the Standard for the Protection of Electronic Computer Data-Processing Equipment, ANSI/NFPA 75.
This Standard specifies requirements intended to ensure safety for the
OPERATOR
and, where specifically stated, for
SERVICE PERSONNEL
.
This Standard is intended to reduce the risk of fire, electric shock, or injury to persons from installed equipment, both as a single unit or as a system of interconnected units, subject to installing, operating, and maintaining the equipment in the manner prescribed by the manufacturer.
| UL Standards & Engagement | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | UL 1778 |
| Product Name | Uninterruptible Power Systems |
