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ELECTRICAL DEFINITIONS
ciently low impedance and having sufficient current-carrying KITCHEN. An area with a sink and permanent provisions
capacity to prevent the buildup of voltages that may result in for food preparation and cooking.
undue hazards to connected equipment or to persons. LABELED. Equipment or materials to which has been
GROUNDED CONDUCTOR. A system or circuit conduc- attached a label, symbol or other identifying mark of an orga-
tor that is intentionally grounded. nization acceptable to the authority having jurisdiction and
GROUNDING CONDUCTOR, EQUIPMENT (EGC). concerned with product evaluation that maintains periodic
The conductive path(s) that provides a ground-fault current inspection of production of labeled equipment or materials
path and connects normally noncurrent-carrying metal parts and by whose labeling the manufacturer indicates compliance
of equipment together and, to the system grounded conduc- with appropriate standards or performance in a specified
tor, the grounding electrode conductor or both. manner.
GROUNDING ELECTRODE. A conducting object LIGHTING OUTLET. An outlet intended for the direct
through which a direct connection to earth is established. connection of a lampholder or luminaire.
GROUNDING ELECTRODE CONDUCTOR. A conduc- LIGHTING TRACK (Track Lighting). A manufactured
tor used to connect the system grounded conductor or the assembly designed to support and energize luminaires that
equipment to a grounding electrode or to a point on the are capable of being readily repositioned on the track. Its
grounding electrode system. length can be altered by the addition or subtraction of sec-
tions of track.
GROUND-FAULT CIRCUIT-INTERRUPTER. A device
intended for the protection of personnel that functions to de- LISTED. Equipment, materials or services included in a list
energize a circuit or portion thereof within an established published by an organization that is acceptable to the author-
period of time when a current to ground exceeds the value for ity having jurisdiction and concerned with evaluation of
a Class A device. products or services, that maintains periodic inspection of
production of listed equipment or materials or periodic evalu-
GROUND-FAULT CURRENT PATH. An electrically ation of services, and whose listing states either that the
conductive path from the point of a ground fault on a wiring equipment, material or services meets identified standards or
system through normally noncurrent-carrying conductors, has been tested and found suitable for a specified purpose.
equipment, or the earth to the electrical supply source.
LIVE PARTS. Energized conductive components.
Examples of ground-fault current paths are any combina-
tion of equipment grounding conductors, metallic raceways, LOCATION, DAMP. Location protected from weather and
metallic cable sheaths, electrical equipment, and any other not subject to saturation with water or other liquids but sub-
electrically conductive material such as metal, water, and gas ject to moderate degrees of moisture.
piping; steel framing members; stucco mesh; metal ducting; LOCATION, DRY. A location not normally subject to
reinforcing steel; shields of communications cables; and the dampness or wetness. A location classified as dry may be
earth itself. temporarily subject to dampness or wetness, as in the case of
GUARDED. Covered, shielded, fenced, enclosed or other- a building under construction.
wise protected by means of suitable covers, casings, barriers, LOCATION, WET. Installations underground or in con-
rails, screens, mats or platforms to remove the likelihood of crete slabs or masonry in direct contact with the earth and
approach or contact by persons or objects to a point of dan- locations subject to saturation with water or other liquids,
ger. such as vehicle-washing areas, and locations exposed to
IDENTIFIED. (As applied to equipment.) Recognizable as weather.
suitable for the specific purpose, function, use, environment, LUMINAIRE. A complete lighting unit consisting of a light
application, etc., where described in a particular code require- source such as a lamp or lamps together with the parts
ment. designed to position the light source and connect it to the
IN SIGHT FROM (Within sight from, within sight). power supply. A luminaire can include parts to protect the
Where this code specifies that one piece of equipment shall light source or the ballast or to distribute the light. A lamp-
be “in sight from,” “within sight from,” “within sight of,” or holder itself is not a luminaire.
similarly stated from/of another piece of equipment, the spec- MULTIOUTLET ASSEMBLY. A type of surface, or flush,
ified equipment must be visible and not more than 50 feet or freestanding raceway; designed to hold conductors and
(15.2 m) distant from the other. receptacles, assembled in the field or at the factory.
INTERRUPTING RATING. The highest current at rated NEUTRAL CONDUCTOR. The conductor connected to
voltage that a device is identified to interrupt under standard the neutral point of a system that is intended to carry current
test conditions. under normal conditions.
INTERSYSTEM BONDING TERMINATION. A device NEUTRAL POINT. The common point on a wye connec-
that provides a means for connecting intersystem bonding tion in a polyphase system or midpoint on a single-phase, 3-
conductors for communications systems to the grounding wire system, or midpoint of a single-phase portion of a 3-
electrode system. phase delta system, or a midpoint of a 3-wire, direct-current
ISOLATED. (As applied to location.) Not readily accessible system.
to persons unless special means for access are used.
2018 INTERNATIONAL RESIDENTIAL CODE ® 697
Copyrighted © 2017 by, or licensed to, ICC (ALL RIGHTS RESERVED); licensed to UL, LLC pursuant to License Agreement with ICC. No further reproductions authorized or distribution authorized.
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