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Philippine Electrical Code > Definition of Terms > Flashcards

Definition of Terms Flashcards

1
Q

Admitting close approach;

not guarded by locked doors, elevation, or other effective means.

A

Accessible (as applied to equipment)

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2
Q

Capable of being
removed or exposed without damaging the building structure or finish
or not permanently closed in by the structure or finish of the building.

A

Accessible (as applied to wiring methods)

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3
Q

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, and so forth.

A

Accessible, Readily (Readily Accessible)

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4
Q

The current, in amperes, that a conductor can carry
continuously under the conditions of use without exceeding its
temperature rating.

A

Ampacity

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5
Q

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

A

Appliance

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6
Q

Acceptable to the authority having jurisdiction

A

Approved

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7
Q

A generic term for a group of nonflammable synthetic

chlorinated hydrocarbons used as electrical insulating media

A

Askarel

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8
Q

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.

A

Attachment Plug (Plug Cap) (Plug)

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9
Q

The organization, office, or
individual responsible for approving equipment, materials, an
installation, or a procedure.

A

Authority Having Jurisdiction (AHJ)

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10
Q

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.

A

Automatic

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11
Q

An area including a basin with one or more of the

following: a toilet, a tub, or a shower.

A

Bathroom

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12
Q

The permanent joining of metallic parts to form
an electrically conductive path that ensures electrical continuity and
the capacity to conduct safely any current likely to be imposed.

A

Bonding (Bonded)

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13
Q

A reliable conductor to ensure the required
electrical conductivity between metal parts required to be electrically
connected.

A

Bonding Jumper

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14
Q

The connection between two or

more portions of the equipment grounding conductor

A

Bonding Jumper, Equipment

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15
Q

The connection between the grounded
circuit conductor and the equipment grounding conductor at the
service

A

Bonding Jumper, Main

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16
Q

The connection between the grounded
circuit conductor and the equipment grounding conductor at a
separately derived system.

A

Bonding Jumper, System

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17
Q

The circuit conductors between the final

overcurrent device protecting the circuit and the outlet(s)

A

Branch Circuit

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18
Q

A branch circuit that supplies energy to
one or more outlets to which appliances are to be connected and thathas no permanently connected luminaires (lighting fixtures) that are
not a part of an appliance.

A

Branch Circuit, Appliance

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19
Q

A branch circuit that supplies

two or more receptacles or outlets for lighting and appliances

A

Branch Circuit, General-Purpose

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20
Q

A branch circuit that supplies only one

utilization equipment

A

Branch Circuit, Individual

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21
Q

A branch circuit that consists of two or
more ungrounded conductors that have a voltage between them, and a
grounded conductor that has equal voltage between it and each
ungrounded conductor of the circuit and that is connected to the
neutral or grounded conductor of the system

A

Branch Circuit, Multiwire

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22
Q

A structure that stands alone or that is cut off from
adjoining structures by fire walls with all openings therein protected
by approved fire doors.

A

Building

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23
Q

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.

A

Cabinet

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24
Q

A device designed to open and close a circuit by
nonautomatic means and to open the circuit automatically on a
predetermined overcurrent without damage to itself when properly
applied within its rating

A

Circuit Breaker

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25
Q

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

A

Concealed

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26
Q

A conductor having no covering or electrical

insulation whatsoever

A

Conductor, Bare

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27
Q

A conductor encased within material of
composition or thickness that is not recognized by this Code as
electrical insulation

A

Conductor, Covered

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28
Q

A conductor encased within material of
composition and thickness that is recognized by this Code as electrical
insulation

A

Conductor, Insulated

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29
Q

A separate portion of a conduit or tubing system that
provides access through a removable cover(s) to the interior of the
system at a junction of two or more sections of the system or at a
terminal point of the system.

A

Conduit Body

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30
Q

A device that establishes a
connection between two or more conductors or between one or more
conductors and a terminal by means of mechanical pressure and
without the use of solder

A

Connector, Pressure (Solderless)

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31
Q

A load where the maximum current is expected

to continue for 3 hours or more

A

Continuous Load

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32
Q

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

A

Controller

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33
Q

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

A

Cooking Unit, Counter-Mounted

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34
Q

Localization of an overcurrent condition
to restrict outages to the circuit or equipment affected, accomplished
by the choice of overcurrent protective devices and their ratings or
settings

A

Coordination (Selective)

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35
Q

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

A

Copper-Clad Aluminum Conductors

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36
Q

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

A

Cutout Box

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37
Q

Without live parts exposed to a person on the operating

side of the equipment

A

Dead Front

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38
Q

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

A

Demand Factor

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39
Q

A unit of an electrical system that is intended to carry or

control but not utilize electric energy

A

Device

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40
Q

A device, or group of devices, or other
means by which the conductors of a circuit can be disconnected from
their source of supply

A

Disconnecting Means

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41
Q

Constructed so that dust will not enter the enclosing case

under specified test conditions

A

Dusttight

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42
Q

Operation at a substantially constant load for an

indefinitely long time

A

Duty, Continuous

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43
Q

Operation for alternate intervals of (1) load and

no load; or (2) load and rest; or (3) load, no load, and rest

A

Duty, Intermittent

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44
Q

Intermittent operation in which the load conditions

are regularly recurrent

A

Duty, Periodic

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45
Q

Operation at a substantially constant load for a

short and definite, specified time

A

Duty, Short-Time

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46
Q

Operation at loads, and for intervals of time, both of

which may be subject to wide variation

A

Duty, Varying

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47
Q

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

A

Dwelling Unit

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48
Q

A building that consists solely of one

dwelling unit

A

Dwelling, One-Family

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49
Q

A building that consists solely of two

dwelling units

A

Dwelling, Two-Family

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50
Q

A building that contains three or more

dwelling units

A

Dwelling, Multifamily

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51
Q

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

A

Electric Sign

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52
Q

One who has undergone training
in electrical engineering and has complied with the requirements of
Republic Act 7920 or otherwise known as the New Electrical
Engineering Law

A

Electrical Practitioner, Licensed

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53
Q

An electrical practitioner
that has not complied with the requirements of RA 7920 or a qualified
person with relevant education and experience to enable him or her to
perceive risks and to avoid hazards which electricity can create

A

Electrical Practitioner, Non-Licensed

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54
Q

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

A

Enclosed

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55
Q

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.

A

Enclosure

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56
Q

Electrically connected to a source of voltage.

A

Energized

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57
Q

Apparatus 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.

A

Explosionproof Apparatus

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58
Q

Capable of being inadvertently touched or approached nearer than a safe distance by a person. It is
applied to parts that are not suitably guarded, isolated, or insulated

A

Exposed (as applied to live parts)

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59
Q

On or attached to the

surface or behind panels designed to allow access

A

Exposed (as applied to wiring methods)

60
Q

Capable of being operated without exposing

the operator to contact with live parts

A

Externally Operable

61
Q

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

A

Feeder

62
Q

A string of outdoor lights that is suspended between two points

A

Festoon Lighting

63
Q

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.

A

Fitting

64
Q

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.

A

Garage

65
Q

A conducting connection, whether intentional or
accidental, between an electrical circuit or equipment and the earth or
to some conducting body that serves in place of the earth

A

Ground

66
Q

Connected to earth or to some conducting body that

serves in place of the earth

A

Grounded

67
Q

Intentionally connected to earth through a
ground connection or connections of sufficiently low impedance and
having sufficient current-carrying capacity to prevent the buildup of
voltages that may result in undue hazards to connected equipment or to persons

A

Grounded, Effectively

68
Q

Connected to ground without inserting any resistor or impedance device

A

Grounded, Solidly

69
Q

A system or circuit conductor that is

intentionally grounded.

A

Grounded Conductor

70
Q

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

A

Ground-Fault Circuit Interrupter (GFCI)

71
Q

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

A

Ground-Fault Protection of Equipment

72
Q

A conductor used to connect equipment or
the grounded circuit of a wiring system to a grounding electrode or
electrodes.

A

Grounding Conductor

73
Q

The conductor used to
connect the non–current-carrying metal parts of equipment, raceways,
and other enclosures to the system grounded conductor, the grounding
electrode conductor, or both, at the service equipment or at the source
of a separately derived system.

A

Grounding Conductor, Equipment

74
Q

A device that establishes an electrical

connection to the earth

A

Grounding Electrode

75
Q

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

A

Grounding Electrode Conductor

76
Q

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

A

Guarded

77
Q

An accommodation combining living, sleeping,

sanitary, and storage facilities within a compartment

A

Guest Room

78
Q

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

A

Guest Suite

79
Q

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.

A

Handhole Enclosure

80
Q

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

A

Hoistway

81
Q

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

A

Identified (as applied to equipment)

82
Q

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

A

In Sight From (Within Sight From, Within Sight)

83
Q

The highest current at rated voltage that a

device is intended to interrupt under standard test conditions.

A

Interrupting Rating

84
Q

Not readily accessible to persons

unless special means for access are used

A

Isolated (as applied to location)

85
Q

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

A

Labeled

86
Q

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

A

Lighting Outlet

87
Q

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 the equipment, material, or services either meets appropriate
designated standards or has been tested and found suitable for a
specified purpose

A

Listed

88
Q

Conductor or conductive part intended to be energized

in normal use

A

Live Parts

89
Q

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

A

Location, Damp

90
Q

A location not normally subject to dampness or

wetness

A

Location, Dry

91
Q

Installations under ground 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.

A

Location, Wet

92
Q

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

A

Luminaire

93
Q

A switchgear assembly
completely enclosed on all sides and top with sheet metal (except for
ventilating openings and inspection windows) containing primary
power circuit switching, interrupting devices, or both, with buses and
connections.

A

Metal-Enclosed Power Switchgear

94
Q

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

A

Motor Control Center

95
Q

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

A

Multioutlet Assembly

96
Q

Action requiring personal intervention for its
control. As applied to an electric controller, nonautomatic control does
not necessarily imply a manual controller, but only that personal
intervention is necessary

A

Nonautomatic

97
Q

A load where the wave shape of the steady-state

current does not follow the wave shape of the applied voltage

A

Nonlinear Load

98
Q

A point on the wiring system at which current is taken to

supply utilization equipment

A

Outlet

99
Q

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

A

Outline Lighting

100
Q

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

A

Overcurrent

101
Q

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

A

Overload

102
Q

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

A

Panelboard

103
Q

A compartment or chamber to which one or more air ducts

are connected and that forms part of the air distribution system

A

Plenum

104
Q

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

A

Power Outlet

105
Q

That interior and exterior wiring,
including power, lighting, control, and signal circuit wiring together
with all their associated hardware, fittings, and wiring devices, both
permanently and temporarily installed, that extends from the service
point or source of power, such as a battery, a solar photovoltaic
system, or a generator, transformer, or converter windings, to the
outlet(s)

A

Premises Wiring (System)

106
Q

An enclosed channel of metal or nonmetallic materials
designed expressly for holding wires, cables, or busbars, with
additional functions as permitted in this Code

A

Raceway

107
Q

Constructed, protected, or treated so as to prevent rain
from interfering with the successful operation of the apparatus under
specified test conditions

A

Rainproof

108
Q

Constructed or protected so that exposure to a beating
rain will not result in the entrance of water under specified test
conditions

A

Raintight

109
Q

A receptacle 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

A

Receptacle

110
Q

An outlet where one or more receptacles are

installed

A

Receptacle Outlet

111
Q

Any electric circuit that controls any

other circuit through a relay or an equivalent device

A

Remote-Control Circuit

112
Q

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

A

Sealable Equipment

113
Q

A premises wiring system whose
power is derived from a source of electric energy or equipment other
than a service

A

Separately Derived System

114
Q

The conductors and equipment for delivering electric
energy from the serving utility to the wiring system of the premises
served

A

Service

115
Q

Service conductors made up in the form of a cable

A

Service Cable

116
Q

The conductors from the service point to the

service disconnecting means

A

Service Conductors

117
Q

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

A

Service Drop

118
Q

The service
conductors between the terminals of the service equipment and a point
usually outside the building, clear of building walls, where joined by
tap or splice to the service drop

A

Service-Entrance Conductors, Overhead System

119
Q

The
service conductors between the terminals of the service equipment and
the point of connection to the service lateral

A

Service-Entrance Conductors, Underground System

120
Q

The necessary equipment, usually consisting
of a circuit breaker(s) or switch(es) and fuse(s) and their accessories,
connected to the load end of service conductors to a building or other
structure, or an otherwise designated area, and intended to constitute
the main control and cutoff of the supply

A

Service Equipment

121
Q

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

A

Service Lateral

122
Q

The point of connection between the facilities of the

serving utility and the premises wiring

A

Service Point

123
Q

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

A

Show Window

124
Q

Any electric circuit that energizes signaling

equipment

A

Signaling Circuit

125
Q

The total components and subsystems
that, in combination, convert solar energy into electrical energy
suitable for connection to a utilization load

A

Solar Photovoltaic System

126
Q

The written consent of the authority having

jurisdiction

A

Special Permission

127
Q

That which is built or constructed.

A

Structure

128
Q

A device
intended to provide limited overcurrent protection for specific
applications and utilization equipment such as luminaires (lighting
fixtures) and appliances

A

Supplementary Overcurrent Protective Device

129
Q

A manually operated device used in
conjunction with a transfer switch to provide a means of directly
connecting load conductors to a power source and of disconnecting the
transfer switch

A

Switch, Bypass Isolation

130
Q

A switch intended for use in general
distribution and branch circuits. It is rated in amperes, and it is capable
of interrupting its rated current at its rated voltage

A

Switch, General-Use

131
Q

A form of general-use switch
constructed so that it can be installed in device boxes or on box covers,
or otherwise used in conjunction with wiring systems recognized by
this Code

A

Switch, General-Use Snap

132
Q

A switch intended for isolating an electric circuit
from the source of power. It has no interrupting rating, and it is
intended to be operated only after the circuit has been opened by some
other means

A

Switch, Isolating

133
Q

A switch rated in horsepower that is
capable of interrupting the maximum operating overload current of a
motor of the same horsepower rating as the switch at the rated voltage

A

Switch, Motor-Circuit

134
Q

An automatic or nonautomatic device for
transferring one or more load conductor connections from one power
source to another

A

Switch, Transfer

135
Q

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

A

Switchboard

136
Q

The words
Thermally Protected appearing on the nameplate of a motor or motorcompressor indicate that the motor is provided with a thermal
protector

A

Thermally Protected (as applied to motors)

137
Q

A protective device for assembly as an integral part of a motor or motor-compressor that,
when properly applied, protects the motor against dangerous
overheating due to overload and failure to start

A

Thermal Protector (as applied to motors)

138
Q

Equipment that utilizes electric energy for
electronic, electromechanical, chemical, heating, lighting, or similar
purposes

A

Utilization Equipment

139
Q

Provided with a means to permit circulation of air

sufficient to remove an excess of heat, fumes, or vapors

A

Ventilated

140
Q

A flammable liquid having a flash
point below 38°C, or a flammable liquid whose temperature is above
its flash point, or a Class II combustible liquid that has a vapor
pressure not exceeding 276 kPa at 38°C and whose temperature is
above its flash point

A

Volatile Flammable Liquid

141
Q

The greatest root-mean-square (rms)
(effective) difference of potential between any two conductors of the
circuit concerned.

A

Voltage (of a circuit)

142
Q

A nominal value assigned to a circuit or system
for the purpose of conveniently designating its voltage class (e.g.,
120/240 volts, 480Y/277 volts, 600 volts). The actual voltage at which
a circuit operates can vary from the nominal within a range that
permits satisfactory operation of equipment.

A

Voltage, Nominal

143
Q

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

A

Voltage to Ground

144
Q

Constructed so that moisture will not enter the enclosure under specified test conditions

A

Watertight

145
Q

Constructed or protected so that exposure to the

weather will not interfere with successful operation

A

Weatherproof

Philippine Electrical Code (1 decks)

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