PEC terms Flashcards
Power conversion equipment that provides a means of adjusting the speed of an electric motor.
Adjustable Speed Drive
1.Admitting close approach; not guarded by locked doors, elevation, or other effective means.
Accessible (as applied to equipment)
Utilization equipment, generally other than industrial, that is normally built in standardized sizes or types and is installed or connected as a unit to perform one or more functions such as clothes washing, air conditioning, food mixing, deep frying, and so forth.
Appliance
A generic term for a group of nonflammable synthetic chlorinated hydrocarbons used as electrical insulating media.
Askarel
The current, in amperes, that a conductor can carry continuously under the conditions of use without exceeding its temperature rating.
Ampacity
Capable of being reached quickly for operation, renewal, or inspections without requiring those to whom ready access is requisite to take actions such as to use tools (other than keys), to climb over or under, to remove obstacles or to resort to portable ladders, and so forth.
Readily Accessible
For grounded circuits, the voltage between the given conductor and that point or conductor of the circuit that is grounded; for ungrounded circuits, the greatest voltage between the given conductor and any other conductor of the circuit.
Voltage to Ground
Constructed or protected so that exposure to the weather will not interfere with successful operation.
Weatherproof
Constructed so that moisture will not enter the enclosure under specified test conditions.
Watertight
Not connected to ground or to a conductive body that extends the ground connection.
Ungrounded
A device that, by insertion in a receptacle, establishes a connection between the conductors of the attached flexible cord and the conductors connected permanently to the receptacle.
Plug
The connection between two or more portions of the equipment grounding conductor.
Bonding Jumper, Equipment
Performing a function without the necessity of human intervention.
Automatic
The circuit conductors between the final overcurrent device protecting the circuit and the outlet(s).
Branch Circuit
The connection between the grounded circuit conductor and the equipment grounding conductor at the service.
Bonding Jumper, Main
A branch circuit that supplies only one utilization equipment.
Branch Circuit, Individual
Connected to establish electrical continuity and conductivity.
Bonded
The prospective symmetrical fault current at a nominal voltage to which an apparatus or system is able to be connected without sustaining damage exceeding defined acceptance criteria.
Short-Circuit Current Rating
That which is built or constructed, other than equipment.
Structure
A structure that stands alone or that is separated from adjoining structures by fire walls.
Building
The government official appointed by the Secretary of the Department of Public Works and who is responsible for enforcing the provisions of the National Building Code of the Philippines (NBC) created under Presidential Decree 1096 (PD 1096) and its Implementing Rules and Regulations; and charged with the duties of issuing building permits, notices and certificates.
Building official
The conductors and equipment for delivering electric energy from the serving utility to the wiring system of the premises served.
Service
A qualifying term indicating that the circuit breaker does not have any adjustment to alter the value of current at which it will trip or the time required for its operation.
Nonadjustable
A qualifying term indicating that the circuit breaker can be set to trip at various values of current, time, or both, within a predetermined range.
Adjustable
A qualifying term indicating that there is purposely introduced a delay in the tripping action of the circuit breaker, which delay decreases as the magnitude of the current increases.
Inverse Time
The value of current, time, or both, at which an adjustable circuit breaker is set to trip.
Setting
A qualifying term indicating that no delay is purposely introduced in the tripping action of the circuit breaker.
Instantaneous Trip
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.
Control Circuit
A contact device installed at the outlet for the connection of an attachment plug, or for the direct connection of electrical utilization equipment designed to mate with the corresponding contact device. A single receptacle is a single contact device with no other contact device on the same yoke. A multiple receptacle is two or more contact devices on the same yoke.
Receptacle
A conductor having no covering or electrical insulation whatsoever.
Bare
A load where the maximum current is expected to continue for 3 hours or more.
Continuous Load
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.
Cooking Unit
A conductor encased within material of composition or thickness that is not recognized by this Code as electrical insulation.
Covered
Rendered inaccessible by the structure or finish of the building. Wires in concealed raceways are considered concealed, even though they may become accessible by withdrawing them.
Concealed
A conductor encased within material of composition and thickness that is recognized by this Code as electrical insulation.
Insulated
Constructed or protected so that exposure to a beating rain will not result in the entrance of water under specified test conditions.
Raintight
The overhead conductors between the utility electric supply system and the service point.
Service Drop
Constructed, protected, or treated so as to prevent rain from interfering with the successful operation of the apparatus under specified test conditions.
Rainproof
An enclosed channel of metallic or nonmetallic materials designed expressly for holding wires, cables, or busbars, with additional functions as permitted in this Code.
Raceway
An enclosed assembly that may include receptacles, circuit breakers, fuseholders, fused switches, buses, and watt-hour meter mounting means; intended to supply and control power to mobile homes, recreational vehicles, park trailers, or boats or to serve as a means for distributing power required to operate mobile or temporarily installed equipment.
Power Outlet
A point on the wiring system at which current is taken to supply utilization equipment.
Outlet
An enclosed assembly that may include receptacles, circuit breakers, fuseholders, fused switches, buses, and watt-hour meter mounting means; intended to supply and control power to mobile homes, recreational vehicles, park trailers, or boats or to serve as a means for distributing power required to operate mobile or temporarily installed equipment.
Power Outlet
Any current in excess of the rated current of equipment or the ampacity of a conductor. It may result from overload, short circuit, or ground fault.
Overcurrent
A unit of an electrical system, other than a conductor, that is intended to carry or control but not utilize electric energy
Device
Without live parts exposed to a person on the operating side of the equipment.
Dead Front
An enclosure designed for surface mounting that has swinging doors or covers secured directly to and telescoping with the walls of the enclosure.
Cutout Box
Enclosures constructed so that dust will not enter the enclosing case under specified test conditions.
Dusttight
A device, or group of devices, or other means by which the conductors of a circuit can be disconnected from their source of supply.
Disconnecting Means
A building that contains three or more dwelling units.
Dwelling, Multifamily
Operation for alternate intervals of (1) load and no load; or (2) load and rest; or (3) load, no load, and rest.
Duty, Intermittent
Operation at loads, and for intervals of time, both of which may be subject to wide variation.
Duty, Varying
Operation at a substantially constant load for an indefinitely long time.
Duty, Continuous
Operation at a substantially constant load for a short and definite, specified time.
Duty, Short-Time
Surrounded by a case, housing, fence, or wall(s) that prevents persons from accidentally contacting energized parts.
Enclosed
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.
Equipment
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.
Feeder
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.
Enclosure
A string of outdoor lights that is suspended between two points.
Festoon Lighting
Connected (connecting) to earth or to some conducting body that serves in place of the earth.
Grounded
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.
Fitting
Requiring human intervention to perform a function.
Nonautomatic
A factory assembly of one or more optical fibers having an overall covering and containing no electrically conductive materials.
Nonconductive Optical Fiber Cable
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.
Luminaire
A factory assembly or field assembly of one or more optical fibers having an overall covering.
Optical Fiber Cable
An arrangement of incandescent lamps, electric discharge lighting, or other electrically powered light sources to outline or call attention to certain features such as the shape of a building or the decoration of a window.
Outline Lighting
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.
Dry
Energized conductive components.
Live Parts
An enclosure identified 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.
Handhole enclosure
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.
Wet
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.
Dump
A system or circuit conductor that is intentionally grounded.
Grounded Conductor
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.
Guarded
An accommodation combining living, sleeping, sanitary, and storage facilities within a compartment.
Guest Room
A nonmetallic raceway placed within a larger raceway.
Innerduct
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.
Guest Suite
Any shaftway, hatchway, well hole, or other vertical opening or space in which an elevator or dumbwaiter is designed to operate.
Hoistway
An outlet intended for the direct connection of a lampholder, a luminaire (lighting fixture), or a pendant cord terminating in a lampholder
Lighting Outlet
Equipment that controls dc voltage or dc current, or both, and that is used to charge a battery or other energy storage device.
Charge Controller
Not readily accessible to persons unless special means for access are used.
Isolated
An enclosure that is designed for either surface mounting or flush mounting and is provided with a frame, mat, or trim in which a swinging door or doors are or can be hung.
Cabinet
