Electrical Code Flashcards
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.
PHILIPPINE ELECTRICAL CODE
Engineering Law
R.A. 7920
- 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.
Practical Safeguarding
- 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.
Adequacy
Intended for use by:
Intention
- it should be applied by qualified experts only
- Qualified engineers in the design, installation and/or maintenance of electrical equipment
- Inspection authorities having legal jurisdiction over electrical installations
- Insurance inspectors
- Electrical practitioners
- Instructors of electrical students
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.
Section 131
it includes global principles to protect against electrical hazards like thermal effects, overcurrent, and overvoltage.
Relation to Other International Standards
Scope Covered
(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
Scope NOT Covered
(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
The organization, office, or individual responsible for approving equipment, materials, an installation, or a procedure.
Authority Having Jurisdiction (AHJ)
The circuit conductors between the final overcurrent device protecting the circuit and the outlet(s).
Branch Circuit
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
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.
Circuit Breaker
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
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
Without live parts exposed to a person on the operating side of the equipment.
Dead Front
A single unit, providing complete and independent living facilities for one or more persons, including permanent provisions for living, sleeping, cooking, and sanitation.
Dwelling Unit
A building that consists solely of one dwelling unit.
Dwelling, One-Family
A building that consists solely of two dwelling unit.
Dwelling, Two-Family
A building that consists solely of three or more dwelling unit.
Dwelling, MultiFamily
A fixed, stationary, or portable self-contained, electrically illuminated utilization equipment with words or symbols designed to convey information or attract attention.
Electric Sign
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.
Electrical Practitioner, Licensed
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.
Electrical Practitioner, Non - Licensed
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 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 point on the wiring system at which current is taken to supply utilization equipment.
Outlet
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
A compartment or chamber to which one or more air ducts are connected and that forms part of the air distribution system.
Plenum
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.
Raceway
The total components and subsystems that, in combination, convert
solar energy into electrical energy suitable for connection to a utilization load
Solar Photovoltaic System
Provided with a means to permit circulation of air sufficient to remove an excess of heat, fumes, or vapors.
Ventilated
Occupancy Limitation
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
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.
(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
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.
Arc-Fault Circuit Interrupter
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.
Dwelling Unit Bedrooms
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).
Small-Appliance Branch Circuits
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.
Laundry Branch Circuits
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.
Bathroom Branch Circuits
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 ____________.
2.10.3.3(a)(1) through (a)(3)
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
1800mm
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
600mm
Receptacle outlets in floors shall not be counted as part of the
required number of receptacle outlets unless located within ________ of the wall
450 mm
Requirement for Electrical Permit:
(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.
Electrical Permit to Be Issued Immediately.
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
Posting of Electrical Permit
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.
Application for Inspection.
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.
Certificate of Inspection
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.
Temporary Installation
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.
Special Permission Required.
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.
Reconnection of Disconnected Services
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.
