PEC Page 6-10

Electrical Practitioner, Licensed

A Registered Master Electrician (RME), Registered Electrical Engineer (REE) or a Professional Electrical Engineer (PEE) who has a knowledge of electrical engineering and/or training in electrical installations and practices, and has complied with the requirements of the Republic Act 7920 or National Electrical Engineering Law.

Garage

A building or portion of a building in which one or more self-propelled vehicles can be kept for use, sale, storage, rental, repair, exhibition, or demonstration purposes.

Dwelling, One-Family

A building that consists solely of one dwelling unit.

Dwelling, Two-Family

A building that consists solely of two dwelling units.

Nonincendive Circuit [as applied to Hazardous (Classified) Locations]

A circuit, other than field wiring, in which any arc or thermal effect produced under intended operating conditions of the equipment, is not capable, under specified test conditions, of igniting the flammable gas-air, dust-air mixture.

Hermatic Refrigerant Motor-Compressor

A combination consisting of a compressor and motor, both of which are enclosed in the same housing, with no external shaft or shaft seals, with the motor operating in the refrigerant.

Luminaire

A complete lighting unit consisting of a lamp or lamps together with the parts designed to distribute the light, to position and protect the lamps and ballast (where applicable), and to connect the lamps to the power supply.

Nonincendive Component [as applied to Hazardous (Classified) Locations]

A component having contacts for making or breaking an incendive circuit and the contacting mechanism is constructed so that the component is incapable of igniting the specified flammable gas-air or vapor-air mixture. The housing of a nonincendive component is not intended to exclude the flammable atmosphere or contain an explosion.

Cooking Unit, Counter-Mounted

A cooking appliance designed for mounting in or on a counter and consisting of one or more heating elements, internal wiring, and built-in or mountable controls.

Ground Fault Circuit Interrupter (GFCI)

A device intended for the protection of personnel that functions to de-energize a circuit or portion thereof within an established period of time when a current to ground exceeds the values established for a Class A device.

Controller

A device or group of devices that serves to govern, in some predetermined manner, the electric power delivered to the apparatus to which it is connected

Grounding Electrode

A device that establishes an electrical connection to the earth.

Intersystem Bonding Termination

A device that provides a means for connecting intersystem bonding conductors for communications systems to the grounding electrode system.

Control Drawing [as applied to Hazardous (Classified) Locations]

A drawing or other document provided by the manufacturer of the intrinsically safe or associated apparatus, or of the nonincendive field wiring apparatus or associated nonincendive field wiring apparatus, that details the allowed interconnections between the intrinsically safe and associated apparatus or between the nonincendive field wiring apparatus or associated nonincendive field wiring apparatus.

Nonconductive Optical Fiber Cable

A factory assembly of one or more optical fibers having an overall covering and containing no electrically conductive materials.

Cord Connector [as applied to Hazardous (Classified) Locations]

A fitting intended to terminate a cord to a box or similar device and reduce the strain at points of termination and may include an explosionproof, a dust-ignitionproof, or a flameproof seal.

Electric Sign

A fixed, stationary, or portable self-contained, electrically illuminated utilization equipment with words or symbols designed to convey information or attract attention.

equipment

A general term including material, fittings, devices, appliances, luminaires, apparatus, and the like used as a part of or in connection with, an electrical installation.

National Electrical Engineering Law

A law enacted by Congress providing for a more responsive and comprehensive regulation for the practice, licensing and registration of electrical engineers and electricians otherwise referred to as Republic Act 7920 (RA 7920) or a future law that supersedes it.

Location, Dry

A location not normally subject to dampness or wetness. A location classified as dry may be temporarily subject to dampness or wetness, as in the case of a building under construction.

Lighting Track (Track Lighting)

A manufactured assembly designed to support and energize luminaires that are capable of being readily repositioned on the track. Its length can be altered by the addition or subtraction of sections of track.

Innerduct

A nonmetallic raceway placed within a larger raceway.

Dwelling Unit

A single unit, providing complete and independent living facilities for one or more persons, including permanent provisions for living, sleeping, cooking, and sanitation.

Festoon Lighting

A string of outdoor lights that is suspended between two points.

Hybrid System

A system comprised of multiple power sources. These power sources could include photovoltaic, wind, micro-hydro generators, engine-driven generators, and others, but do not include electric power production and distribution network systems. Energy storage systems such as batteries, flywheels, or superconducting magnetic storage equipment do not constitute a power source for the purpose of this definition. The energy regenerated by an overhauling (descending) elevator does not constitute a power source for the purpose of this definition.

Ground-Fault Protection of Equipment

A system intended to provide protection of equipment from damaging line-to-ground fault currents by operating to cause a disconnecting means to open all ungrounded conductors of the faulted circuit. This protection is provided at current levels less than those required to protect conductors from damage through the operation of a supply circuit overcurrent device.

Grounded Conductor

A system or circuit conductor that is intentionally grounded.

Multioutlet Assembly

A type of surface, flush, or freestanding raceway designed to hold conductors and receptacles, assembled in the field or at the factory.

Device

A unit of an electrical system, other than a conductor, that is intended to carry or control but not utilize electric energy.

feeder

All circuit conductors between the service equipment, the source of a separately derived system, or other power supply source and the final branch-circuit overcurrent device.

fitting

An accessory such as a locknut, bushing, or other part of a wiring system that is intended primarily to perform a mechanical rather than an electrical function.

Guest Room

An accommodation combining living, sleeping, sanitary, and storage facilities within a compartment.

Guest Suite

An accommodation with two or more contiguous rooms comprising a compartment, with or without doors between such rooms, that provides living, sleeping, sanitary, and storage facilities.

Kitchen

An area with a sink and permanent provisions for food preparation and cooking.

Intrinsically Safe System [as applied to Hazardous (Classified) Locations]

An assembly of interconnected intrinsically safe apparatus, associated apparatus, and interconnecting cables, in that those parts of the system that may be in hazardous (classified) locations are intrinsically safe circuits.

Motor Control Center

An assembly of one or more enclosed sections having a common power bus and principally containing motor control units.

Industrial Control Panel

An assembly of two or more components consisting of one of the following: (1) power circuit components only, such as motor controllers, overload relays, fused disconnect switches, and circuit breakers; (2) control circuit components only, such as push buttons, pilot lights, selector switches, timers, switches, and control relays; (3) a combination of power and control circuit components. These components, with associated wiring and terminals, are mounted on, or contained within, an enclosure or mounted on a subpanel. The industrial control panel does not include the controlled equipment.

Interactive System

An electric power production system that is operating in parallel with and capable of delivering energy to an electric primary source supply system.

Ground-Fault Current Path

An electrically conductive path from the point of a ground fault on a wiring system through normally non-current-carrying conductors, equipment, or the earth to the electrical supply source.

Cutout Box

An enclosure designed for surface mounting that has swinging doors or covers secured directly to and telescoping with the walls of the box proper.

Handhole Enclosure

An enclosure for use in underground systems, provided with an open or closed bottom, and sized to allow personnel to reach into, but not enter, for the purpose of installing, operating, or maintaining equipment or wiring or both.

Effective Ground-Fault Current Path

An intentionally constructed, low-impedance electrically conductive path designed and intended to carry current under ground-fault conditions from the point of a ground fault on a wiring system to the electrical supply source and that facilitates the operation of the overcurrent protective device or ground-fault detectors.

Interactive Inverter

An inverter intended for use in parallel with an electric utility to supply common loads that may deliver power to the utility.

Lighting Outlet

An outlet intended for the direct connection of a lampholder, a luminaire (lighting fixture), or a pendant cord terminating in a lampholder.

Electronically Actuated Fuse

An overcurrent protective device that generally consists of a control module that provides current-sensing, electronically derived time-current characteristics, energy to initiate tripping, and an interrupting module that interrupts current when an overcurrent occurs. Such fuses may or may not operate in a current-limiting fashion, depending on the type of control selected.

Hoistway

Any shaftway, hatchway, well hole, or other vertical opening or space in which an elevator or dumbwaiter is designed to operate.

Intrinsically Safe Apparatus

Apparatus in which all the circuits are intrinsically safe.

Exposed (as applied to live parts)

Capable of being inadvertently touched or approached nearer than a safe distance by a person.

Externally Operable

Capable of being operated without exposing the operator to contact with live parts.

Copper-Clad Aluminum Conductors

Conductors drawn from a copper-clad aluminum rod with the copper metallurgically bonded to an aluminum core. The copper forms a minimum of 10 percent of the cross-sectional area of a solid conductor or each strand of a stranded conductor.

Grounded (Grounding)

Connected (connecting) to earth or to some conducting body that serves in place of the earth.

Grounded, Solidly

Connected to ground without inserting any resistor or impedance device.

Electric Signal

Control Circuit. The circuit of a control apparatus or system that carries the ________ _________ directing the performance of the controller but does not carry the main power current.

manufacturer

Control Drawing [as applied to Hazardous (Classified) Locations] A drawing or other document provided by the ______ of the intrinsically safe or associated apparatus, or of the nonincendive field wiring apparatus or associated nonincendive field wiring apparatus, that details the allowed interconnections between the intrinsically safe and associated apparatus or between the nonincendive field wiring apparatus or associated nonincendive field wiring apparatus.

Guarded

Covered, shielded, fenced, enclosed, or otherwise protected by means of suitable covers, casings, barriers, rails, screens, mats, or platforms to remove the likelihood of approach or contact by persons or objects to a point of danger.

live parts

Dead Front. Without _____ exposed to a person on the operating side of the equipment.

source of supply

Disconnecting Means. A device, or group of devices, or other means by which the conductors of a circuit can be disconnected from their _____ __ ______.

indefinitely

Duty, Continuous. Operation at a substantially constant load for an ______ long time.

regularly

Duty, Periodic. Intermittent operation in which the load conditions are _______ recurrent.

three

Dwelling, Multifamily. A building that contains ________ or more dwelling units.

high-intensity discharge (HID)

Electric Discharged Lighting. Systems of illumination utilizing fluorescent lamps, _______ ________ lamps, or neon tubing.

Energized

Electrically connected to, or is, a source of voltage.

tripping

Electronically Actuated Fuse. An overcurrent protective device that generally consists of a control module that provides current-sensing, electronically derived time-current characteristics, energy to initiate______, and an interrupting module that interrupts current when an overcurrent occurs. Such fuses may or may not operate in a current-limiting fashion, depending on the type of control selected.

Dusttight

Enclosures constructed so that dust will not enter under specified test conditions.

Live Parts

Energized conductive components.

voltage

Energized. Electrically connected to, or is, a source of _____.

Information Technology Equipment (ITE)

Equipment and systems rated 1000 volts or less, normally found in offices or other business establishments and similar environments classified as ordinary locations, that are used for creation and manipulation of data, voice, video, and similar signals that are not communications equipment as defined in Part I.0.1 and do not process communications circuits as defined in 8.0.1.2.

Explosionproof Equipment

Equipment enclosed in a case that is capable of withstanding an explosion of a specified gas or vapor that may occur within it and of preventing the ignition of a specified gas or vapor surrounding the enclosure by sparks, flashes, or explosion of the gas or vapor within, and that operates at such an external temperature that a surrounding flammable atmosphere will not be ignited thereby.

Dust-Ignitionproof [as applied to Hazardous (Classified) Locations]

Equipment enclosed in a manner that excludes dusts and does not permits arcs, sparks, or heat otherwise generated or liberated inside of the enclosure to cause ignition of exterior accumulations or atmospheric suspensions of a specified dust on or in the vicinity of the enclosure.

Nonincendive Equipment [as applied to Hazardous (Classified) Locations]

Equipment having electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignitions of a specified flammable gas-air, vapor-air, or dust-air mixture due to arcing or thermal means.

Labeled

Equipment or materials to which has been attached a label, symbol, or other identifying mark of an organization that is acceptable to the authority having jurisdiction and concerned with product evaluation, that maintains periodic inspection of production of labeled equipment or materials, and by whose labeling the manufacturer indicates compliance with appropriate standards or performance in a specified manner.

hermetically sealed

Equipment sealed against the entrance of an external atmosphere where the seal is made by fusion, for example, soldering, brazing, welding, or the fusion of glass to metal.

Mobile Equipment

Equipment with electrical components suitable to be moved only with mechanical aids or is provided with wheels for movement by person(s) or powered devices.

Listed

Equipment, materials, or services included in a list published by an organization that is acceptable to the authority having jurisdiction and concerned with evaluation of products or services, that maintains periodic inspection of production of listed equipment or materials or periodic evaluation of services, and whose listing states that either the equipment, material, or service meets appropriate designated standards or has been tested and found suitable for a specified purpose.

gas or vapor

Explosionproof Equipment. Equipment enclosed in a case that is capable of withstanding an explosion of a specified _____ or _____ that may occur within it and of preventing the ignition of a specified _____ or _____surrounding the enclosure by sparks, flashes, or explosion of the gas or vapor within, and that operates at such an external temperature that a surrounding flammable atmosphere will not be ignited thereby.

Location, Wet

Installations underground or in concrete slabs or masonry in direct contact with the earth; in locations subject to saturation with water or other liquids, such as vehicle washing areas; and in unprotected locations exposed to weather.

ratings

Localization of an overcurrent condition to restrict outages to the circuit or equipment affected, accomplished by the selection and installation of overcurrent protective devices and their _____ or settings for the full range of available overcurrent, from overload to the maximum available fault current, and for the full range of overcurrent protective device opening times associated with those overcurrent.

Coordination, Selective (Selective Coordination)

Localization of an overcurrent condition to restrict outages to the circuit or equipment affected, accomplished by the selection and installation of overcurrent protective devices and their ratings or settings for the full range of available overcurrent, from overload to the maximum available fault current, and for the full range of overcurrent protective device opening times associated with those overcurrent.

Location, Damp

Locations protected from weather and not subject to saturation with water or other liquids but subject to moderate degrees of moisture.

electrical engineers and electricians

National Electrical Engineering Law. A law enacted by Congress providing for a more responsive and comprehensive regulation for the practice, licensing and registration of _______ ________ and _________ otherwise referred to as Republic Act 7920 (RA 7920) or a future law that supersedes it.

Isolated (as applied to location)

Not readily accessible to persons unless special means for access are used.

Exposed (as applied to wiring methods)

On or attached to the surface or behind panels designed to allow access.

Duty, Short-Time

Operation at a substantially constant load for a short and definite, specified time.

Duty, Varying

Operation at loads, and for intervals of time, both of which may be subject to wide variation.

Duty, Intermittent

Operation for alternate intervals of (1) load and no load; or (2) load and rest; or (3) load, no load, and rest.

Effective Power Production and Distribution Network

Power production, distribution, and utilization equipment and facilities, such as electric utility systems that deliver electric power to the connected loads, that are external to and not controlled by an interactive system.

Identified (as applied to equipment)

Recognizable as suitable for the specific purpose, function, use, environment, application, and so forth, where described in a particular Code requirement.

Nonautomatic

Requiring human intervention to perform a function.

enclosed

Surrounded by a case, housing, fence, or wall(s) that prevents persons from accidentally contacting energized parts.

Electric Discharged Lighting

Systems of illumination utilizing fluorescent lamps, high-intensity discharge (HID) lamps, or neon tubing.

Enclosure

The case or housing of apparatus, or the fence or walls surrounding an installation to prevent personnel from accidentally contacting energized parts or to protect the equipment from physical damage.

Control Circuit

The circuit of a control apparatus or system that carries the electric signals directing the performance of the controller but does not carry the main power current.

Neutral Point

The common point on a wye-connection in a polyphase system or midpoint on a single-phase, 3-wire system, or midpoint of a single-phase portion of a 3-phase delta system, or a midpoint of a 3-wire, direct-current system.

Grounding Conductor, Equipment (EGC)

The conductive path(s) that provides a ground-fault current path and connects normally non-current-carrying metal parts of equipment together and to the system grounded conductor or to the grounding electrode conductor, or both.

Neutral Conductor

The conductor connected to the neutral point of a system that is intended to carry current under normal conditions.

Grounding Electrode Conductor

The conductor used to connect the grounding electrode(s) to the equipment grounding conductor, to the grounded conductor, or to both, at the service, at each building or structure where supplied by a feeder(s) or branch circuit(s), or at the source of a separately derived system.

Ground

The earth.

Interruptive Rating

The highest current at rated voltage that a device is intended to interrupt under standard test conditions.

Demand Factor

The ratio of the maximum demand of a system, or part of a system, to the total connected load of a system or the part of the system under consideration.

In Sight From (Within Sight From, Within Sight)

Where this Code specifies that one equipment shall be "in sight from," "within sight from," or "within sight of," and so forth, another equipment, the specified equipment is to be visible and not more than 15 m (50 ft) distant from the other.