PROVISIONS FOR ELECTRICAL SYSTEM DESIGN 1

Question 1

The purpose of the _____ is the practical safeguarding of persons and property from hazards arising from the use of electricity.

Answer 1

Philippine Electrical Code (PEC)

Question 2

This PEC has been approved and adopted by the _________.

Answer 2

Board of Electrical Engineering, Professional Regulation Commission

Question 3

__________ of the PEC are those that identify actions that are specifically required or prohibited and are characterized by the use of the terms shall or shall not.

Answer 3

Mandatory Rules

Question 4

___________ of the PEC are those that identify actions that are allowed but not required, are normally used to describe options or alternative methods, and are characterized by the use of the terms shall be permitted or shall not be required.

Answer 4

Permissive Rules

Question 5

______________, such as references to other standards, references to related sections of this Code, or information related to a Code rule, is included in this Code in the form of fine print notes (FPN). Fine print notes are informational only and are not enforceable as requirements of this Code.

Answer 5

Explanatory Material

Question 6

For the purpose of the PEC, metric units of measurement are in accordance with the modernized metric system known as the _____________.

Answer 6

International System of Units (SI)

Question 7

Where the actual measured size of a product is not the same as the nominal size, _______________ designators shall be used rather than dimensions. Trade practices shall be followed in all cases.

Answer 7

trade size

Question 8

The PEC contains a substantial number of informational notes referred to as ____________.

Answer 8

fine print notes or FPNs

Question 9

______________ are part of the tables and are necessary for proper use of the tables and therefore are mandatory and enforceable Philippine Electrical Code text.

Answer 9

Table footnotes

Question 10

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

Answer 10

Ampacity

Question 11

Connected to establish electrical continuity and conductivity.

Answer 11

Bonding

Question 12

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

Answer 12

Bonding Conductor or Jumper

Question 13

The place of business of the Building Official where processing of permits, notices, certificates and other related documents are undertaken.

Answer 13

Office of the Building Official (OBO)

Question 14

A licensed electrical practitioner employed in the Office of the Building Official responsible for overseeing electrical installations and equipment compliance to provisions pf the PEC Part 1, and for the approval of electrical permits and certificates issuances

Answer 14

OBO/EE

Question 15

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

Answer 15

Circuit Breaker

Question 16

A conductor encased within material of composition or thickness.

Answer 16

Electrical Insulation

Question 17

The ratio of 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.

Answer 17

Demand Factor

Question 18

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

Answer 18

Dwelling Unit

Question 19

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.

Answer 19

Feeder

Question 20

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

Answer 20

Lighting Outlet

Question 21

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.

Answer 21

Luminaire

Question 22

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

Answer 22

Neutral Conductor

Question 23

A point on the wiring system at which current is taken to supply utilization equipment.

Answer 23

Outlet

Question 24

Any current in excess of the rated current of the equipment or the ampacity of a conductor. It may result from overload, short circuit, or ground fault.

Answer 24

Overcurrent

Question 25

A device capable of providing protection of service, feeder and branch circuits and equipment over the full range of overcurrents between its rated current and its interrupting rating.

Question 26

A device capable of providing protection of service, feeder and branch circuits and equipment over the full range of overcurrents between its rated current and its interrupting rating.

Answer 26

Overcurrent Protective Device

Question 27

Operation of equipment in excess of normal, full-load rating, or of a conductor in excess of rated ampacity, when it persists for a sufficient length of time, would cause damage or dangerous overheating.

Answer 27

Overload

Question 28

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, 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.

Answer 28

Panel Board

Question 29

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 means of distributing power required to operated mobile or temporary installed equipment.

Answer 29

Power Outlet

Question 30

An enclosed channel of metallic or nonmetallic materials designed expressly for holding wires, cables, or busbars.

Answer 30

Raceway

Question 31

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.

Answer 31

Receptacle

Question 32

An outlet where one or more receptacles are installed.

Answer 32

Receptacle Outlet

Question 33

The conductors and equipment for delivering electrical energy from the serving utility to the wiring system of the premise served.

Answer 33

Service

Question 34

The conductors from service point to the service disconnecting means.

Answer 34

Service Conductors

Question 35

The overhead conductors between service point and the first point of connection to the service-entrance conductors at the building or other structure.

Answer 35

Overhead Service Conductors

Question 36

The underground conductors between service point and the first point of connection to the service-entrance conductors in a terminal box, meter, or other enclosure, inside or outside the building wall.

Answer 36

Underground Service Conductors

Question 37

The overhead conductors between the utility electric supply system and the service point.

Answer 37

Service Drop

Question 38

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

Answer 38

Overhead Service-Entrance Conductors

Question 39

The service conductor between the terminals of the service equipment and the point of connection to the service lateral or underground service conductors.

Answer 39

Underground Service-Entrance Conductors

Question 40

The necessary equipment, usually consisting of a circuit breaker(s) or switches and fuses(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.

Answer 40

Service Equipment

Question 41

The underground conductors between the utility electric supply system and the service point.

Answer 41

Service Lateral

Question 42

The point of connection between the facilities of the serving utility and the premises wiring.

Answer 42

Service Point

Question 43

Enclosed fusible switch or circuit breaker installed ahead of the service equipment, nearest the service point, (usually, immediately after metering equipment), intended to provide short circuit fault protection for service-entrance conductors.

Answer 43

Service Protective Device

Question 44

The prospective symmetrical fault current at a nominal voltage to which as apparatus or system is able to be connected without sustaining damage exceeding defined acceptance criteria.

Answer 44

Short-Circuit Current Rating

Question 45

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

Answer 45

Voltage

Question 46

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.

Answer 46

Nominal Voltage

Question 47

All Plans and Permit must be signed by the _______.

Answer 47

OWNER

Question 48

All Plans and Permit must be signed and sealed by ________.

Answer 48

PEE

Question 49

The in-charge of design and in-charge of installation who shall post a copy of their valid PRC license together with the electrical permit at all times.

Answer 49

Licensed Electrical Practitioner (LEP)

Question 50

shall posted at a conspicuous location at the job site and shall not be removed until final inspection and approval of the work shall have been made.

Answer 50

electrical permit/copy of electrical permit

Question 51

are responsible in enforcing the provisions of the Philippine Electrical Code as indicated in RA 7920, Sec 39 and PD 1096, Sections 205 and 1301.

Answer 51

Local Building Officials

Question 52

is the Standard For Safety For Molded-Case Circuit Breakers, Molded-Case Switches and Circuit-Breaker Enclosures.

Answer 52

UL 489

Question 53

The ________ is the lowest current, that if exceeded, will initiate the overcurrent device to trip.

Answer 53

ampere rating

Question 54

The _______________ is defined in the NEC as “the highest current at rated voltage that a device is identified to interrupt under standard test conditions.

Answer 54

 interrupting rating

Question 55

This article covers general requirements for the examination and approval, installation and use, access to and spaces about electrical conductors and equipment; enclosures intended for personnel entry; and tunnel installations.

Answer 55

Article 1.10: Requirements of Electrical Installation

Question 56

This section provides criteria and considerations for the evaluation of equipment and recognizes listing or labeling as a means of establishing suitability.

Answer 56

Section 1.10.1.1 Examination, Identification, Installation and Use of Equipment

Question 57

The width of the working space in front of the electric equipment shall be the width of the equipment or _________, whichever is greater.

Answer 57

750 mm

Question 58

is used to determine PPE required.

Answer 58

Arc-flash Analysis

Question 59

How many sets of complete electrical plans and specifications signed and sealed by Professional Electrical Engineer are required for the filing of electrical permit.

Answer 59

Five (5)

Question 60

15 Amp Residential CB usually has _______ kAIC rating.

Answer 60

8 to 10