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| DOE-HDBK-1092-2004
Outlet--A point on the wiring system at which current is taken to supply utilization equipment.
Overcurrent--Any current in excess of the rated current of equipment or the ampacity of a
conductor. It may result from overload (see definition), short circuit, or ground fault. A current
in excess of rating may be accommodated by certain equipment and conductors for a given
set of conditions. Hence the rules for overcurrent protection are specific for particular
situations.
Overload--Operation of equipment in excess of normal, full load rating, or of a conductor in
excess of rated ampacity which, when it persists for a sufficient length of time, would cause
damage or dangerous overheating. A fault, such as a short circuit or ground fault, is not an
overload. (See "Overcurrent.")
single panel; including buses, automatic overcurrent devices, and with or without switches for
the control of light, heat, or power circuits; designed to be placed in a cabinet or cutout box
placed in or against a wall or partition and accessible only from the front. (See "Switchboard.")
Portable X-ray--X-ray equipment designed to be hand--carried.
Power fuse--(Over 600 volts, nominal.) See "Fuse."
fuseholders, fused switches, buses and watt-hour meter mounting means; intended to serve
as a means for distributing power required to operate mobile or temporarily installed
equipment.
Premises wiring system--That interior and exterior wiring, including power, lighting, control,
and signal circuit wiring together with all of its associated hardware, fittings, and wiring
devices, both permanently and temporarily installed, which extends from the load end of the
service drop, or load end of the service lateral conductors to the outlet(s). Such wiring does
not include wiring internal to appliances, fixtures, motors, controllers, motor control centers,
and similar equipment.
Qualified person--One familiar with the construction and operation of the equipment and the
hazards involved.
Qualified testing laboratory--A properly equipped and staffed testing laboratory which has
capabilities for and which provides the following services:
a. Experimental testing for safety of specified items of equipment and materials referred to in
this standard to determine compliance with appropriate test standards or performance in a
specified manner;
b. Inspecting the run of such items of equipment and materials at factories for product
evaluation to assure compliance with the test standards;
c. Service-value determinations through field inspections to monitor the proper use of labels
on products and with authority for recall of the label in the event a hazardous product is
installed;
B-30
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