Test Report

Report Reference No.: 50337286 001
UL 1012
Clause
Requirement – Test
Result – Remark
Verdict
Page 39 of 75
Exception No. 1: Overcurrent protection is not required to be
provided for an output where the current is limited to not more
than 110 percent of the receptacle rating by construction of a
transformer, one or more resistors, or a regulating network
complying with 54.8.1.
N/A
Exception No. 2: An appliance protector complying with the
requirements in the Standard for Supplementary Protectors for
Use in Electrical Equipment, UL 1077, may be used in the
output circuit of a unit supplied by a transformer in lieu of a
branch circuit protection fuse or circuit breaker when all of the
following are met:
N/A
a) The protector is an overcurrent type or a shunt trip
overcurrent type;
N/A
b) The protector tripping current rating is not greater than135
percent of the protector amp rating;
N/A
c) The protector complies with the UL 1077 short-circuit test
conducted without series overcurrent protection;
N/A
d) The protector complies with the UL 1077 recalibration test
following short-circuit testing; and
N/A
e) The protector short circuit current rating is not less than the
maximum fault current available.
N/A
Exception No. 3: A fuse having a short-circuit interrupting rating
not less than the maximum fault current available from the unit
and complying with the requirements in the Standard for Low-
Voltage Fuses - Part 14: Supplemental Fuses, UL 248-14, may
be used in the output circuit of a unit supplied by a transformer
in lieu of a branch circuit protection fuse or circuit breaker.
N/A
Exception No. 4: Overcurrent protection is not required to be
provided with a unit having provision for permanent wiring
connection of the output circuit and provided with an instruction
manual indicating that the overcurrent protection is to be
provided by others.
N/A
31.2
The voltage rating mentioned in 31.1 for a 3-phase circuit shall
be based on the phase-to-phase voltage.
N/A
31.3
For a unit having provision for permanent wiring connection of
the ac output power circuit, the rating of the overcurrent
protection shall not exceed the ampacity of the conductors
intended to be connected to the unit, as determined in
accordance with 12.2.2.
N/A
31.4
For a unit provided with a cord and receptacle for connection of
the output, the rating of the overcurrent protection shall not
exceed the ampacity of the cord or the current rating of the
receptacle, whichever is less.
N/A
31.5
Overcurrent protection shall be provided for each standard
configuration output receptacle. A single overcurrent protection
device with a rating not exceeding the ampere rating of any
receptacle to which it is connected may be used in conjunction
with multiple receptacles if all receptacles are connected in
parallel.
N/A
Exception No. 1: Two or more 15 ampere rated receptacles
may be protected by a 20 ampere overcurrent protection
device.
N/A