A type of electrical outlet where the top and bottom halves can be controlled by separate circuits.

A type of junction box that allows access to a raceway for making conductors through the raceway.

A protection requirement for commercial and industrial applications such as use in fire station, sleeping areas, military housing, hospitals, outpatient clinics, rest homes, retirement homes, and in other locations where extension cords or cord-connected equipment may be used and where the general occupancy may be at risk from arc faults.

Conductors that run through a raceway must have sufficient open air space to prevent ________.

The highest voltage to which a wiring device can be exposed

It is a point in a wiring system where current is taken to supply an appliance, piece of equipment, or lighting installation.

__________ is a continuous conductor that connects the ground to the neutral bus bar.

A damage sustained to the skin or internal organs on direct contact with an electric current.

Occurs when a small amount of electrical current flows through the heart for 1 to 3 s. The amount of 0.006 to 0.2 A (6 to 200 milliamps, or mA) of current flowing through the heart disrupts the normal coordination of heart muscles. These muscles lose their vital rhythm and begin to fibrillate. Death soon follows.

It makes power distribution flexible.

TRUE OR FALSE. There are no requirements that specify that a certain type of electrical box be installed for a specific purpose.

It provides supplementary but important grounding protection

A secondary surge protection component is used for accurate clamping of surge voltages.

It is an underground connection.

It is expressed as a nominal voltage because it varies slightly.

It is an end-use piece of utilization equipment designed to perform a specific function such as cooking, cleaning, cooling, or heating.

_____________ can be easily removed to allow wiring to enter the box.

In circuit breaker, the higher the voltage rating requires a ___________ clearance.

It is a set of regularly updated standards for the safe installation of electric wiring in the United States and is the primary basis of the Philippine Electrical Code.

He is known as the Father of Electric Motors.

One directional flow of electric charge.

This kind of transformer steps up the voltage applied to it.

It is a set of standards and regulations that govern the safe and proper installation, operation, and maintenance of electrical systems in the Philippines. It provides guidelines for electrical design, wiring, equipment selection, grounding, protection, and other related aspects to ensure electrical safety and efficiency

is a situation where a larger than intended electric current exists through a conductor, leading to excessive generation of heat.

______________ are electrical boxes and cabinets made of metal or non-metallic materials that protect conductors, connections, controls, and other electrical equipment.

___________ are sheet metal or nonmetallic. Flame-resistant plastic troughs that serve as a housing that encloses and protects conductors.

This key element in electrical drawings helps engineers focus on specific parts without distractions.

A branch/feeder AFCI breaker with protection is provided to branch-circuit wiring in the form of a circuit breaker.

Also called as mesh connection.

A sudden increase in electrical current or voltage that is very short in duration.

Required by NEC to be installed in all 125-V, 15-, and 20-A electrical receptacles in new residential construction. The move comes in an effort to better protect small children from suffering electrical burns when they accidentally insert items into conventional outlet.

It converts the electromagnetic forces from the stator into mechanical rotation.

___________________________ is a galvanized steel or aluminum tube that has a thinner wall than a rigid metal conduit.

Grounded conductor is considered a __________ in circuit design.

There is no specific size limit for individual circuit ratings. True or False?

TRUE OR FALSE. Conduits should be supported to prevent wearing away against structure and to avoid stressing its end fittings.

All conductors must originate from the same panelboard.

Refers to the peak instantaneous current, measured in amperes (A), drawn by an electrical appliance or piece of equipment when it is first turned on.

_________ is accomplished by installing an additional grounding conductor or by permanently joining metal components in a circuit.

Who issues the Certificate of Final Electrical Inspection (CFEI)?

All building wiring must be enclosed in a cable, conduit, wire-way, or ______.

A motor designed to operate on both AC and DC power.

TRUE OR FALSE. Armored cable (AC) can be embedded in masonry, concrete, or plaster.

A minimum of one receptacle is required to serve the laundry room convenience

The neutral conductor is frequently called a __________

Another term for Grounded Conductor

They are electrical engineers who are qualified to design, supervise, and install electrical systems but may not sign or seal electrical plans.

A heavy galvanized steel or aluminum tube that looks like the galvanized steel pipe used for plumbing applications except it is much smoother and is labeled with a UL Listed stamp or label.

It is frequently known as the hot or live conductor because it feeds current to the circuit

It is a male connecting device that has two or more prongs that are inserted into a receptacle to connect to an electrical circuit.

Ground fault protection (GFP) is a crucial aspect of _________ in commercial buildings, particularly those served with 480/277 V electrical service.

Are machines that transfer electricity from one circuit to another with changing voltage level but no frequency change, It steps up or step down the building system voltage.

It is a component in an electrical system that is designed to carry but not use electricity. This includes components such as switches, receptacles, and relays.

A type of fuse that has flat blades sticking out at each end.

It is the target voltage entering the service panel

It is the common used wiring method in residential dwellings.

A set of conductors that carry a comparatively large amount of power from the service equipment to a second panelboard, called a subpanelboard, where branch circuits further distribute the power.

A type of OCP device that automatically “strips off”, which opens the circuit when overcurrent occurs.

It occurs across the break of a single conductor.

_________________ are metal and non-metallic (plastic) enclosures that hold devices such as switches or outlets and safely permit wiring connections.

It is a portion of a building wiring system extending beyond the overcurrent protection device.

TRUE OR FALSE. Neutral conductors are required to have the same ampacity rating as the ungrounded conductors.

These are electrical loads thst run for 3 hours or more.

This type of circuit may be referred to as a lighting circuit.

It is required to complete a singlephase circuit by connecting the ungrounded conductor to ground.

In an electrical system, ______ is required to protect building occupants and electrical equipment.

Higher voltage means ___________ conductor sizes

It is the unintentional flow of electrical current between a power source.

It provides power to a single outlet such as a receptacle serving a range, clothes dryer, or copy machine.

Rigid nonmetallic conduit and tubing is manufactured from ________ that have very high rates of thermal expan-sion (over 6 in for a 100°F temperature change per 100 ft/over 300 mm in a 50°C temperature change per 30 m).

TRUE OR FALSE. Rigid nonmetallic conduit and tubing (ENT) can be used as the grounding conductor. With a few exceptions, a grounding conductor is required for flexible conduit.

It accounts for anticipated voltage drops on branch circuit conductors.

TRUE OR FALSE. There are no requirements that specify that a certain type of electrical box be installed for a specific purpose.

__________ protects the user from electric shock by creating a nonconducting barrier between the user and the electric components inside the appliance or tool.

Also known as wiring diagrams or electrical plans.

TRUE OR FALSE. Rigid conduit and tubing (e.g., rigid metal and nonmetal-lic conduit, IMC, EMT, ENT) are favorite raceway materials used to protect conductors in all types of buildings. Because it is available in straight lengths, it must be bent to accommodate changes in direction.

It is a female connecting device with slotted contacts. It is installed at an outlet or on equipment, where it is intended to easily establish an electrical connection with an inserted plug.

Most popular circuit breaker.

This permit is required to connect a building to the electrical grid or modify an existing connection.

A special type of electrical box wed to enclose conductor connections.

Coils of wire wound around the stator or rotor.

This specifies the minimum provisions necessary for protecting people and property from the improper use of electricity and electrical equipment.

A protection against excessive currents or current beyond the acceptable current rating of equipment. It serves to limit current levels in a conductor by interrupting power when current limitations are exceeded and prevents excessive heat from damaging conductors and related equipment.

Vertical lightning rods are sometimes called _________.

_________ refers to a grounding conductor or grounding path that connects the noncurrent-carrying metal components of equipment.

It is an emergency system that provides adequate power to patients and personnel.

Enumerate the types of switches based on the number of poles they control.

TRUE OR FALSE. The grounded conductor must be sized at the same ampacity as the ungrounded (hot) conductor.

Cabinet or cutout enclosure placed in or against a wall or partition that is accessible from the front.

What does y (wye) mean in voltage?

A hot circuit is potentially hazardous condition because it unnecessarily exposes occupants to_______.

A standardized, factory-assembled enclosure consists of outer duct-like housing, bus bars, and insulators.

A device that converts electrical energy into mechanical energy.

These are silent, invisible magnetic fields produced by any electricity that runs through a wire, an appliance, or some equipment.

It provides guidelines and standards for the design, construction, and occupancy of buildings in the country.

It is useful in situations where permanent GFCIs are not available.

This document certifies that electrical systems comply with Occupational Safety and Health Standards (OSHS).

In runs requiring more bends, a _______ is added in the run to assist in pulling conductors and to allow access.

Divides an electrical power feed into branch circuits while providing a protective circuit breaker or fuse for each circuit in a common enclosure.