Question 1

In the commercial building in the chapter example, what do the owner's circuits serve?

Accepted Answer

In the commercial building, the owner's circuits serve: 
 ∙the elevator equipment that has the greatest electrical demand. 
 ∙ heating and lighting for the public restrooms, hallway, and stairways as well as the exit signs for the basement, rear entrance hallway, and the second floor hallway. 
 ∙ loads that are to be supplied by the optional standby power system.

Question 2

The photocell control device consists of a light-sensitive cell and a(n)____ that increases the signal until it is sufficient to operate a relay that controls the light.

Accepted Answer

A) motor 
B) lens 
C) luminaire 
D) amplifier 
A) motor 
B) lens 
C) luminaire 
D) amplifier D

Question 3

With an electrically heated boiler, a heat sensor plus a remote bulb is mounted so that the bulb is ____.

Accepted Answer

A) in direct sunlight 
B) on the outside of the building 
C) next to the emergency panel 
D) in the boiler 
A) in direct sunlight 
B) on the outside of the building 
C) next to the emergency panel 
D) in the boiler B

Question 4

The lighting circuits that are considered to be the owner's responsibility can be divided into six groups according to the method used to control the circuit, including those under ____.

Accepted Answer

A) photocell control 
B) solar control 
C) joint control 
D) intermittent operation 
A) photocell control 
B) solar control 
C) joint control 
D) intermittent operation

Question 5

In a commercial building, it is the ____ responsibility to provide power for the elevator; illumination for the public areas such as hallways, stairways, and public toilet rooms; and heat for the common areas of the building.

Accepted Answer

A) owner's 
B) occupants' 
C) municipality's 
D) electric company's 
A) owner's 
B) occupants' 
C) municipality's 
D) electric company's

Question 6

One type of sump pump that is available commercially has a start-stop operation due to water pressure against a ____, which in turn pushes against a small integral switch within the submersible pump.

Accepted Answer

A) snap switch 
B) neoprene gasket 
C) steel ell 
D) metal cover 
A) snap switch 
B) neoprene gasket 
C) steel ell 
D) metal cover

Question 7

How is the sump pump used, and what is the mechanism of control?

Accepted Answer

The sump pump is used to remove water en

Question 8

With a "____" elevator, the entire elevator lifting mechanism is located in the elevator shaft either on the elevator or on the wall.

Accepted Answer

A) room-less 
B) motor-room-less 
C) machine-room-less 
D) control-room-less 
A) room-less 
B) motor-room-less 
C) machine-room-less 
D) control-room-less

Question 9

Summarize the wiring requirements for a boiler.

Accepted Answer

The following points summarize the wirin

Question 10

The sump pump motor is protected by a manual motor starter and is controlled by a ____ switch.

Accepted Answer

A) photocell 
B) snap 
C) pressure 
D) float 
A) photocell 
B) snap 
C) pressure 
D) float

Question 11

What features are available with electronic and mechanical timers?

Accepted Answer

Electronic and mechanical timers are ava

Question 12

The ____ is(are)an example(s)of equipment that is operated by an automatic control system.

Accepted Answer

A) stairway luminaire 
B) sump pump 
C) entrance luminaire 
D) exterior luminaires 
A) stairway luminaire 
B) sump pump 
C) entrance luminaire 
D) exterior luminaires

Question 13

In the boiler heating circuit in the chapter example, the main lugs connect to two ____-kcmil-per-phase conductors run to an 800-ampere switch.

Accepted Answer

A) 200 
B) 400 
C) 500 
D) 600 
A) 200 
B) 400 
C) 500 
D) 600

Question 14

The circuit to the hot-water circulating pump in the chapter example will be supplied from the ____ so that the water will continue to circulate if the utility power fails.

Accepted Answer

A) standby emergency boiler 
B) external emergency panel 
C) optional standby power panel 
D) public panel 
A) standby emergency boiler 
B) external emergency panel 
C) optional standby power panel 
D) public panel

Question 15

The building's occupants will each have a(n)____ located within their particular area.

Accepted Answer

A) circulating pump 
B) outdoor heat sensor 
C) relay 
D) heating thermostat 
A) circulating pump 
B) outdoor heat sensor 
C) relay 
D) heating thermostat

Question 16

The luminaires installed for the stairway to the second floor and hallways of the commercial building example in this chapter are ____ when the building is occupied because those spaces have no windows.

Accepted Answer

A) under manual control 
B) in continuous operation 
C) on at night 
D) under timed control 
A) under manual control 
B) in continuous operation 
C) on at night 
D) under timed control

Question 17

In the commercial building example of this chapter, the owner may choose to install an electrically heated ____ to supply heat to all areas.

Accepted Answer

A) boiler 
B) radiator 
C) stove 
D) furnace 
A) boiler 
B) radiator 
C) stove 
D) furnace

Question 18

Describe the wiring for electric elevators, including the roles of the electrical contractor and the elevator contractor.

Accepted Answer

​ 
 The wiring for electric elevators is

Question 19

On lighting controlled by timers, an ____ feature is extremely desirable because it provides sunset ON and sunrise OFF that change automatically day by day as the sunrise and sunset times change every day.

Accepted Answer

A) astronomic 
B) environmental 
C) ecologic 
D) astrologic 
A) astronomic 
B) environmental 
C) ecologic 
D) astrologic

Question 20

The heat sensor in an electrically heated boiler is adjusted so that it closes when the outside temperature falls below a set point, usually ____ degrees Fahrenheit.

Accepted Answer

A) 50 
B) 65 
C) 70 
D) 85 
A) 50 
B) 65 
C) 70 
D) 85

Exam 11: Special Circuits Owners Circuits

In the commercial building in the chapter example, what do the owner's circuits serve?

The photocell control device consists of a light-sensitive cell and a(n)____ that increases the signal until it is sufficient to operate a relay that controls the light.

With an electrically heated boiler, a heat sensor plus a remote bulb is mounted so that the bulb is ____.

The lighting circuits that are considered to be the owner's responsibility can be divided into six groups according to the method used to control the circuit, including those under ____.

In a commercial building, it is the ____ responsibility to provide power for the elevator; illumination for the public areas such as hallways, stairways, and public toilet rooms; and heat for the common areas of the building.

One type of sump pump that is available commercially has a start-stop operation due to water pressure against a ____, which in turn pushes against a small integral switch within the submersible pump.

How is the sump pump used, and what is the mechanism of control?

With a "____" elevator, the entire elevator lifting mechanism is located in the elevator shaft either on the elevator or on the wall.

Summarize the wiring requirements for a boiler.

The sump pump motor is protected by a manual motor starter and is controlled by a ____ switch.

What features are available with electronic and mechanical timers?

The ____ is(are)an example(s)of equipment that is operated by an automatic control system.

In the boiler heating circuit in the chapter example, the main lugs connect to two ____-kcmil-per-phase conductors run to an 800-ampere switch.

The circuit to the hot-water circulating pump in the chapter example will be supplied from the ____ so that the water will continue to circulate if the utility power fails.

The building's occupants will each have a(n)____ located within their particular area.

The luminaires installed for the stairway to the second floor and hallways of the commercial building example in this chapter are ____ when the building is occupied because those spaces have no windows.

In the commercial building example of this chapter, the owner may choose to install an electrically heated ____ to supply heat to all areas.

Describe the wiring for electric elevators, including the roles of the electrical contractor and the elevator contractor.

On lighting controlled by timers, an ____ feature is extremely desirable because it provides sunset ON and sunrise OFF that change automatically day by day as the sunrise and sunset times change every day.

The heat sensor in an electrically heated boiler is adjusted so that it closes when the outside temperature falls below a set point, usually ____ degrees Fahrenheit.

Commercial Building Plans and Specifications

Reading Electrical Working Drawings--Entry Level

General Requirements for Conductors

Branch Circuits

Switches and Receptacles

Wiring Methods

Motor and Appliance Circuits

Feeder Installation and Load Calculation

Special Systems

Working Drawings--Upper Level

Panelboard Selection and Installation

The Electric Service and Grounding

Lamps and Ballasts for Lighting

Luminaires

Emergency, Legally Required Standby, and Optional Standby Power Systems

Overcurrent Protection: Fuses and Circuit Breakers

Short-Circuit Calculations and Coordination of Overcurrent Protective Devices

Equipment and Conductor Short-Circuit

Low-Voltage Remote Control

The Cooling System

Commercial Utility-Interactive Photovoltaic Systems

Filters