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DOE-HDBK-1092-98
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.
NOTE 1: Whether an employee is considered to be a "qualified person" will depend upon various
circumstances in the workplace. It is possible and, in fact, likely for an individual to be
considered qualified" with regard to certain equipment in the workplace, but "unqualified" as to
other equipment.(See 1910.332(b)(3) for training requirements that specifically apply to
qualified persons.)
NOTE 2: An employee who is undergoing on-the-job training and who, in the course of such
training, has demonstrated an ability to perform duties safely at his or her level of training and
who is under the direct supervision of a qualified person is considered to be a qualified person
for the performance of those duties.
Raceway--A channel designed expressly for holding wires, cables, or busbars, with additional
functions as permitted in this subpart. Raceways may be of metal or insulating material, and the term
includes rigid metal conduit, rigid nonmetallic conduit, intermediate metal conduit, liquidtight
flexible metal conduit, flexible metallic tubing, flexible metal conduit, electrical metallic tubing,
underfloor raceways, cellular concrete floor raceways, cellular metal floor raceways, surface
raceways, wireways, and busways.
Readily accessible--Capable of being reached quickly for operation, renewal, or inspections,
without requiring those to whom ready access is requisite to climb over or remove obstacles or to
resort to portable ladders, chairs, etc. (See "Accessible.")
Receptacle--A receptacle is a contact device installed at the outlet for the connection of a single
attachment plug. A single receptacle is a single contact device with no other contact device on the
same yoke. A multiple receptacle is a single device containing two or more receptacles.
Receptacle outlet--An outlet where one or more receptacles are installed.
Remote-control circuit--Any electric circuit that controls any other circuit through a relay or an
equivalent device.
Sealable equipment--Equipment enclosed in a case or cabinet that is provided with a means of
sealing or locking so that live parts cannot be made accessible without opening the enclosure. The
equipment may or may not be operable without opening the enclosure.
B-14


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