BUILDING UTILITIES QUIZ #5

Electricity

It is the science dealing with the physical phenomena arising from the existence and interaction of electric charges.

AFCI

A type of breaker that is designed to trip when arcing is detected within electrical wiring.

Conduit

An electrical raceway either metallic or non-metallic

Toggle

A surface mounted switch is called ___

Circuit Breaker

An electromechanical device that automatically operates to protect a circuit from the damage caused by fault current.

Power

It is the product of potential difference and current in a direct current circuit.

Series Circuit

It is an arrangement of components in an electric circuit in which the same current flows through each component in turn without branching.

RSC

A type of conduit used for feeders.

Panelboard

Known as the final distribution point for convenience outlets and lighting

Double Pole

A type of breaker that monitors the flow of electricity through two wires simultaneously.

Push Button

A flush mounted switch is called ____

solenoid

Part of a circuit breaker that senses undue heating and overload

EMC

A type of conduit without thread.

Circuit Protective Devices

Detects short circuit and overload

Long Sweep Elbow Fitting

A conduit fitting used for turning cables at 90°

Dimmer

It controls the intensity of light.

Underground Feeder and Branch Cable Circuit

It is a moisture resistant cable used for underground connections including direct burial in the ground as feeder or branch circuit

Single Pole

A type of breaker that monitors the current of a single wire and trips in the event of a short or electrical overload.

Single Gang

The symbol S1 or Sa in Electrical Plans means ______.

Rail type

A type of tray cable

Three-way

The symbol S3W in Electrical Plans means ______.

Electric Charge

It is the intrinsic property of matter giving rise to all electric phenomena, occurring in two forms arbitrarily given positive and negative algebraic signs and measured in coulombs.

Receptacle

A device (at an outlet box) to which any plug-in extension line, appliance, or device can be connected

flat

Characteristic of a busbar

Cable Tray

Known as open wireway

Outlet

A point in a circuit where other devices can be connected.

Current

It is the rate of flow of electric charge in a circuit per unit time, measured in amperes.

Service Switch

Used in apartments through meter banks.

underfloor raceway

Uses conventional electrical installation.

Weatherproof Outlet

A type of convenience outlet that is used outside located adjacent to Main and Service Entries

Ampere

It is the basic SI unit of electric current, equivalent to a flow of one coulomb per second or to the steady current produced by one volt applied across a resistance of one ohm.

Two Gang

The symbol S2 or Sab in Electrical Plans means

Busbar

Uses busduct or busway

Switchboard

A free standing assemblies of switches, fuses/circuit breakers

Universal Outlet

The type of convenience outlet that can receive both flat and round pins

GFCI

A type of breaker that is designed to protect against a line-to-ground fault.

Busway

Known as a closed raceway.

Askarel

A synthetic non-flammable liquid used to insulate transformers

Cable Bus

A type of raceway used from Main Panel Board to Distribution Panelboard.

Unit Substation

A transformer used for large facility

Metal Clad Cable

It is a fabricated assembly of insulated conductors enclosed in a flexible metal sheath.

Dry Type

Type of transformer used to change voltage from 230V to 115V

Service Switch

An equipment that controls the circuit breaker

Cartridge Fuse

Type of fuse used for simple circuitry in residence

heat dissipation

Purpose of louvers for cable bus

cellular concrete floor raceways

Uses T-joist/ precast concrete slab with built in pipes

Parallel Circuit

It is the arrangement of components in an electric circuit in which all positive terminals are connected to a second conductor, the same voltage being applied to each component.

cellular metal floor raceway

Uses rib decking for cable installation

rounded

Characteristic of a bus

Electrode

A conductor through which a current enters or leaves a nonmetallic medium.