PEC Definition - Quiz 1
問題一覧
1
The current, in amperes, that a conductor can carry continuously under the conditions of use without exceeding its temperature rating.
Ampacity
2
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
3
Acceptable to the authority having jurisdiction.
Approved
4
A generic term for a group of nonflammable synthetic chlorinated hydrocarbons used as electrical insulating media. ________ of various compositional types are used. Under arcing conditions, the gases produced, while consisting predominantly of noncombustible hydrogen chloride, can include varying amounts of combustible gases, depending on the askarel type.
Askarel
5
Self-acting, operating by its own mechanism when actuated by some impersonal influence, as, for example, a change in current, pressure, temperature, or mechanical configuration.
Automatic
6
A reliable conductor to ensure the required electrical conductivity between metal parts required to be electrically connected.
Bonding Jumper
7
a set of conductors that extends beyond the last overcurrent device protecting the circuit and the outlets).
Branch Circuit
8
A device designed to open and close a circuit by non-automatic means and to open the circuit automatically on a predetermined overcurrent without damage to itself when properly applied within its rating.
Circuit Breaker
9
Indicating that the circuit breaker can be set to trip at various values of current, time, or both, within a predetermined range.
Adjustable
10
No delay is purposely introduced in the tripping action of the circuit breaker.
Instantaneous Trip
11
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
12
The value of current, time, or both, at which an adjustable circuit breaker is set to trip.
Setting
13
A load where the maximum current is expected to continue for 3 hours or more.
Continuous Load
14
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.
Controller
15
An enclosure designed for surface mounting that has swinging doors or covers secured directly to and telescoping with the walls of the box proper.
Cutout Box
16
Without live parts exposed to a person on the operating side of the equipment.
Dead Front
17
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.
Demand Factor
18
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
19
Electrically connected to a source of voltage.
Energized
20
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
21
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
22
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.
Ground-Fault Circuit Interrupter (GFCI)
23
A conductor used to connect equipment or the grounded circuit of a wiring system to a grounding electrode or electrodes.
Grounding Conductor
24
A device that establishes an electrical connection to the earth.
Grounding Electrode
25
Conductor or conductive part intended to be energized in normal use.
Live Parts
26
A point on the wiring system at which current is taken to supply utilization equipment.
Outlet
27
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
28
Operation of equipment in excess of normal, full-load rating, or of a conductor in excess of rated ampacity that, when it persists for a sufficient length of time, would cause damage or dangerous overheating.
Overload
29
A single panel or group of panel units designed for assembly in the form of a single panel, including buses and automatic overcurrent devices, and equipped 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, partition, or other support; and accessible only from the front.
Panelboard
30
An enclosed assembly that may include receptacles, circuit breakers, fuse holders, 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
31
An enclosed channel of metal or nonmetallic materials designed expressly for holding wires, cables, or busbars, with additional functions as permitted in this Code.
Raceway
32
Constructed, protected, or treated so as to prevent rain from interfering with the successful operation of the apparatus under specified test conditions.
Rainproof
33
Constructed or protected so that exposure to a beating rain will not result in the entrance of water under specified test conditions.
Raintight
34
Is a contact device installed at the outlet for the connection of an attachment plug. 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
35
An outlet where one or more receptacles are installed.
Receptacle Outlet
36
The conductors and equipment for delivering electric energy from the serving utility to the wiring system of the premises served.
Service
37
Service conductors made up in the form of a cable.
Service Cable
38
The conductors from the service point to the service disconnecting means.
Service Conductors
39
The overhead service conductors from the last pole or other aerial support to and including the splices, if any, connecting to the service-entrance conductors at the building or other structure.
Service Drop
40
The underground service conductors between the street main, including any risers at a pole or other structure or from transformers, and the first point of connection to the service-entrance conductors in a terminal box or meter or other enclosure, inside or outside the building wall.
Service Lateral
41
The point of connection between the facilities of the serving utility and the premises wiring.
Service Point
42
Any window used or designed to be used for the display of goods or advertising material, whether it is fully or partly enclosed or entirely open at the rear and whether or not it has a platform raised higher than the street floor level.
Show Window
43
Any electric circuit that energizes signaling equipment.
Signaling Circuit
44
A large single panel, frame, or assembly of panels on which are mounted on the face, back, or both, switches, overcurrent and other protective devices, buses, and usually instruments.
Switchboard
45
Equipment that utilizes electric energy for electronic, electromechanical, chemical, heating, lighting, or similar purposes.
Utilization Equipment
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問題一覧
1
The current, in amperes, that a conductor can carry continuously under the conditions of use without exceeding its temperature rating.
Ampacity
2
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
3
Acceptable to the authority having jurisdiction.
Approved
4
A generic term for a group of nonflammable synthetic chlorinated hydrocarbons used as electrical insulating media. ________ of various compositional types are used. Under arcing conditions, the gases produced, while consisting predominantly of noncombustible hydrogen chloride, can include varying amounts of combustible gases, depending on the askarel type.
Askarel
5
Self-acting, operating by its own mechanism when actuated by some impersonal influence, as, for example, a change in current, pressure, temperature, or mechanical configuration.
Automatic
6
A reliable conductor to ensure the required electrical conductivity between metal parts required to be electrically connected.
Bonding Jumper
7
a set of conductors that extends beyond the last overcurrent device protecting the circuit and the outlets).
Branch Circuit
8
A device designed to open and close a circuit by non-automatic means and to open the circuit automatically on a predetermined overcurrent without damage to itself when properly applied within its rating.
Circuit Breaker
9
Indicating that the circuit breaker can be set to trip at various values of current, time, or both, within a predetermined range.
Adjustable
10
No delay is purposely introduced in the tripping action of the circuit breaker.
Instantaneous Trip
11
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
12
The value of current, time, or both, at which an adjustable circuit breaker is set to trip.
Setting
13
A load where the maximum current is expected to continue for 3 hours or more.
Continuous Load
14
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.
Controller
15
An enclosure designed for surface mounting that has swinging doors or covers secured directly to and telescoping with the walls of the box proper.
Cutout Box
16
Without live parts exposed to a person on the operating side of the equipment.
Dead Front
17
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.
Demand Factor
18
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
19
Electrically connected to a source of voltage.
Energized
20
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
21
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
22
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.
Ground-Fault Circuit Interrupter (GFCI)
23
A conductor used to connect equipment or the grounded circuit of a wiring system to a grounding electrode or electrodes.
Grounding Conductor
24
A device that establishes an electrical connection to the earth.
Grounding Electrode
25
Conductor or conductive part intended to be energized in normal use.
Live Parts
26
A point on the wiring system at which current is taken to supply utilization equipment.
Outlet
27
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
28
Operation of equipment in excess of normal, full-load rating, or of a conductor in excess of rated ampacity that, when it persists for a sufficient length of time, would cause damage or dangerous overheating.
Overload
29
A single panel or group of panel units designed for assembly in the form of a single panel, including buses and automatic overcurrent devices, and equipped 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, partition, or other support; and accessible only from the front.
Panelboard
30
An enclosed assembly that may include receptacles, circuit breakers, fuse holders, 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
31
An enclosed channel of metal or nonmetallic materials designed expressly for holding wires, cables, or busbars, with additional functions as permitted in this Code.
Raceway
32
Constructed, protected, or treated so as to prevent rain from interfering with the successful operation of the apparatus under specified test conditions.
Rainproof
33
Constructed or protected so that exposure to a beating rain will not result in the entrance of water under specified test conditions.
Raintight
34
Is a contact device installed at the outlet for the connection of an attachment plug. 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
35
An outlet where one or more receptacles are installed.
Receptacle Outlet
36
The conductors and equipment for delivering electric energy from the serving utility to the wiring system of the premises served.
Service
37
Service conductors made up in the form of a cable.
Service Cable
38
The conductors from the service point to the service disconnecting means.
Service Conductors
39
The overhead service conductors from the last pole or other aerial support to and including the splices, if any, connecting to the service-entrance conductors at the building or other structure.
Service Drop
40
The underground service conductors between the street main, including any risers at a pole or other structure or from transformers, and the first point of connection to the service-entrance conductors in a terminal box or meter or other enclosure, inside or outside the building wall.
Service Lateral
41
The point of connection between the facilities of the serving utility and the premises wiring.
Service Point
42
Any window used or designed to be used for the display of goods or advertising material, whether it is fully or partly enclosed or entirely open at the rear and whether or not it has a platform raised higher than the street floor level.
Show Window
43
Any electric circuit that energizes signaling equipment.
Signaling Circuit
44
A large single panel, frame, or assembly of panels on which are mounted on the face, back, or both, switches, overcurrent and other protective devices, buses, and usually instruments.
Switchboard
45
Equipment that utilizes electric energy for electronic, electromechanical, chemical, heating, lighting, or similar purposes.
Utilization Equipment