Electrical Code

Question 1

refers to the set of rules which provide for the safety in electrical installation, construction, operation and maintenance, and the utilization of electricity mandated under the New Electrical Engineering Law, or the R.A. 7920.

Answer 1

PHILIPPINE ELECTRICAL CODE

Question 2

Engineering Law

Answer 2

R.A. 7920

Question 3

• to practically safeguard persons and property from hazards arising from the use of electricity
• it ensures safety by setting rules that help prevent electrical hazards.

Answer 3

Practical Safeguarding

Question 4

• it contains provisions that are considered minimum requirements necessary for safety
• if followed correctly, these guidelines help ensure that an electrical installation is safe. However, just meeting these requirements might not guarantee that the system will be the most efficient, convenient, or ready for future expansions.

Answer 4

Adequacy

Question 5

Intended for use by:

Intention
- it should be applied by qualified experts only

Answer 5

1. Qualified engineers in the design, installation and/or maintenance of electrical equipment
2. Inspection authorities having legal jurisdiction over electrical installations
3. Insurance inspectors
4. Electrical practitioners
5. Instructors of electrical students

Question 6

the requirements in this Code address the fundamental principles of protection for safety contained in ________ of International Electrotechnical Commission Standard 60364-1, Electrical Installations of Buildings.

Answer 6

Section 131

Question 7

it includes global principles to protect against electrical hazards like thermal effects, overcurrent, and overvoltage.

Answer 7

Relation to Other International Standards

Question 8

Scope Covered

Answer 8

(1) Public and private buildings, including but not limited to residential, commercial, industrial, institutional, cultural, agricultural, agroindustrial, planned unit development and all other buildings/premises that may require practical safeguarding of persons and property from the hazards arising from the use of electricity.
(2) Electric generating plants
(3) Industrial plants
(4) Transformer stations
(5) Permanent and temporary substations, etc.
(6) Airfields
(7) Railways switchyards
(8) Yards, carnival, parks, parking and other lots
(9) Quarries and mines
(10) Watercraft
(11) Dockyards
(12) Trailers
(13) Mobile homes and recreational vehicles
(14) Offshore facilities

Question 9

Scope NOT Covered

Answer 9

(1) Installations in railway rolling stock, aircraft, or automotive vehicles

(2) Installations of railways for generation, transformation, transmission, or distribution of power used exclusively for operation of rolling stock

Question 10

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

Answer 10

Authority Having Jurisdiction (AHJ)

Question 11

The circuit conductors between the final overcurrent device protecting the circuit and the outlet(s).

Answer 11

Branch Circuit

Question 12

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.

Answer 12

Cabinet

Question 13

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.

Answer 13

Circuit Breaker

Question 14

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.

Answer 14

Concealed

Question 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.

Answer 15

Cutout Box

Question 16

Without live parts exposed to a person on the operating side of the equipment.

Answer 16

Dead Front

Question 17

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

Answer 17

Dwelling Unit

Question 18

A building that consists solely of one dwelling unit.

Answer 18

Dwelling, One-Family

Question 19

A building that consists solely of two dwelling unit.

Answer 19

Dwelling, Two-Family

Question 20

A building that consists solely of three or more dwelling unit.

Answer 20

Dwelling, MultiFamily

Question 21

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

Answer 21

Electric Sign

Question 22

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.

Answer 22

Electrical Practitioner, Licensed

Question 23

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.

Answer 23

Electrical Practitioner, Non - Licensed

Question 24

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.

Answer 24

Enclosure

Question 25

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 25

Luminaire

Question 26

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

Answer 26

Outlet

Question 27

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.

Answer 27

Panelboard

Question 28

A compartment or chamber to which one or more air ducts are connected and that forms part of the air distribution system.

Answer 28

Plenum

Question 29

An enclosed channel of metal or nonmetallic materials designed expressly for holding wires, cables, or busbars, with additional functions as permitted in this Code. Raceways include, but are not limited to, rigid metal conduit, rigid nonmetallic conduit, intermediate metal conduit, liquidtight flexible conduit, flexible metallic tubing, flexible metal conduit, electrical nonmetallic tubing, electrical metallic tubing, underfloor raceways, cellular concrete floor raceways, cellular metal floor raceways, surface raceways, wireways, and busways.

Answer 29

Raceway

Question 30

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

Answer 30

Solar Photovoltaic System

Question 31

Provided with a means to permit circulation of air sufficient to remove an excess of heat, fumes, or vapors.

Answer 31

Ventilated

Question 32

Occupancy Limitation

Answer 32

In dwelling units and guest rooms or guest suites of hotels, motels, and
similar occupancies, the voltage shall not exceed 230 volts, nominal, between conductors that supply the terminals of the following:

(1) Luminaires (lighting fixtures)
(2) Cord-and-plug-connected loads 1440 volt-amperes, nominal, or less or less than ¼ hp

Question 33

Dwelling Units. All 125-volt and/or 250 volts, single-phase, 15- and 20-ampere receptacles installed in the locations specified in (1) through (8) shall have ground-fault circuit-interrupter protection for personnel.

Answer 33

(1)Bathrooms
(2)Garages, and also accessory buildings that have a floor located at or below grade level not intended as habitable rooms and limited to storage areas, work areas, and areas of similar use
(3) Outdoors
(4) Crawl spaces
(5) unfinished basements
(6) kitchens
(7) Laundry, utility, and water bar sinks
(8) Boathouses

Question 34

Is a device intended to
provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to de-energize the circuit when an arc fault is detected.

Answer 34

Arc-Fault Circuit Interrupter

Question 35

All 115-volt and/or 230-volt, single phase, 15- and 20-ampere
branch circuits supplying outlets installed in dwelling unit bedrooms shall be protected by a listed arc-fault circuit interrupter, combination type installed to provide protection of the branch circuit. This requirement shall become effective January 1, 2014.

Answer 35

Dwelling Unit Bedrooms

Question 36

In addition to the number of branch circuits required by other parts of this section, two or more 20-ampere small-appliance branch circuits shall be provided for all receptacle outlets specified by 2.10.3.3(b).

Answer 36

Small-Appliance Branch Circuits

Question 37

In addition to the number of branch circuits required by other parts of this section, at least one additional 20-ampere branch circuit shall be provided to supply the laundry receptacle outlet(s) required by 2.10.3.3(f). This circuit shall have no other outlets.

Answer 37

Laundry Branch Circuits

Question 38

In addition to the number of branch circuits required by other parts of this section, at least one 20-ampere branch circuit shall be provided to supply bathroom receptacle outlet(s). Such circuits shall have no other outlets.

Answer 38

Bathroom Branch Circuits

Question 39

In every kitchen, family room, dining room, living room, parlor, library,
den, sunroom, bedroom, recreation room, or similar room or area of dwelling units, receptacle outlets shall be installed in accordance with the general provisions specified in ____________.

Answer 39

2.10.3.3(a)(1) through (a)(3)

Question 40

Receptacles shall be installed so that no point measured horizontally
along the floor line in any wall space is more than ________ from a receptacle outlet

Answer 40

1800mm

Question 41

a. Any space ________ or more in width (including space measured around
corners) and unbroken along the floor line by doorways, fireplaces, and similar openings
b. The space occupied by fixed panels in exterior walls, excluding sliding panels
c. The space afforded by fixed room dividers such as freestanding bar-type
counters or railings

Answer 41

600mm

Question 42

Receptacle outlets in floors shall not be counted as part of the
required number of receptacle outlets unless located within ________ of the wall

Answer 42

450 mm

Question 43

Requirement for Electrical Permit:

Answer 43

(a) The Electrical Permit shall include the following minimum information:
1. Applicant
2. Professional Electrical Engineer who signed and sealed electrical plans and specifications
3. Licensed Electrical Practitioner who is in-charge of electrical works.
4. Building Owner.
5. Lot Owner.
6. Building Official

(b) Five (5) sets of complete electrical plans and specifications signed and sealed by a Professional Electrical Engineer.

Question 44

Electrical Permit to Be Issued Immediately.

Answer 44

a) The application, upon receipt, shall be checked immediately by the local building official or his representatives for compliance with the requirements.
- Upon meeting the requirements, the electrical permits will be issued after paying the associated fees.

(b) If the project is extensive and required more time for checking and for computations of fees, the issuance of the Electrical Permit need not be issued immediately.
- The delay for the permit can’t be more than five working days, after the application and plans are approved, the permit shall be issued right away

Question 45

Posting of Electrical Permit

Answer 45

A copy of the Electrical Permit, upon issuance, shall be 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.

• The licensed electrical practitioners responsible for the design and installation must always display a copy of their PRC ID alongside the electrical permit.

Question 46

Application for Inspection.

Answer 46

An application for inspection shall be filed with the government authority concerned before a 1.

Applicant. preliminary and/or final inspection is done.
- Before any electrical inspection, whether preliminary or final, an application must be submitted to the appropriate government authority to notify them and allow the inspection to be scheduled.

Question 47

Certificate of Inspection

Answer 47

No electrical installation, alteration, and/or addition shall be connected or reconnected to any power supply or any other source of electrical energy without a Certificate of Final Electrical Inspection/Completion obtained from the local building official signed by their respective licensed electrical practitioner.
- A Certificate of Final Electrical Inspection or Completion must be obtained from the local building official, and it must be signed by the licensed electrical practitioner responsible for the project. This ensures that the work is safe and complies with all relevant codes before being powered.

Question 48

Temporary Installation

Answer 48

For temporary electrical installation, the same procedure as stated above shall be followed. At the end of the period covered by the certificate of inspection, the temporary installation shall be removed.

Question 49

Special Permission Required.

Answer 49

Electrical equipment and wiring not specifically covered or mentioned in the various articles of this Code shall require special permission and written approval of a licensed electrical practitioner under the enforcing government authority concerned, prior to installation.

Question 50

Reconnection of Disconnected Services

Answer 50

In cases where service has been cut off for more than one (1) year, a new certificate of final electrical inspection shall be required before reconnection.