Exam 10: Lighting Branch Circuitbathrooms, Hallway

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One way to protect people from electrical shock is found on grooming appliances that are equipped with a special attachment plug cap. Under what condition does the plug cap provide protection?

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Question 1

Correct Answer:

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The special attachment plug cap provides protection should the appliance be immersed in water.

Hanging light fixtures must be kept at least feet horizontally and feet vertically from the edge of the tub rim.

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Question 2

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three eight
3, 8
three, eight

Explain why receptacles are not permitted to be installed in bathtub and shower spaces.

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Question 3

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Receptacles are not permitted to be installed in bathtub and shower spaces because of the obvious hazards associated with water and electricity.

The NEC permits all bathroom receptacles to be on a single ____ branch circuit so long as it doesn't supply other loads.

(Multiple Choice)

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Question 4

Explain the circumstance(s) under which switches are allowed to be installed in a tub or shower space.

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Question 5

For hallways of ____________________ or more in length, at least one receptacle outlet shall be required.

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Question 6

According to NEC 406.9, receptacles ____ permitted to be installed in bathtub and shower spaces.

(Multiple Choice)

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Question 7

As defined in Article 100, a bathroom is required to have a ____.

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Question 8

Describe the two ways that receptacles in bathrooms may be GFCI protected.

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Question 9

Install luminaires listed for ____ locations if they will be subject to shower spray.

(Multiple Choice)

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Question 10

When using nonmetallic-sheathed cable or armored cable, never use the bare equipment grounding conductor as a(n) ____________________ conductor, and never use the grounded circuit conductor as an equipment grounding conductor.

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Question 11

Some portable appliances use double insulation in place of grounding to provide shock protection to users. Double-insulated appliances normally have ____ power cords and attachment plug caps.

(Multiple Choice)

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Question 12

A bathroom is defined as "an area including a basin, with one or more of the following: ____.

(Multiple Choice)

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Question 13

With ____ products, it takes two failures to create a shock hazard to the user.

(Multiple Choice)

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Question 14

Recessed or surface-mounted luminaires and recessed exhaust fans ____ be located within the restricted zone near the bathtub.

(Multiple Choice)

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Question 15

Ceiling-suspended paddle fans must not be located within a zone measured horizontally and vertically from the top of the bathtub rim or top of a shower stall threshold.

(Multiple Choice)

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Question 16

Name at least three types of lighting fixtures and other equipment not permitted to be installed within the zone extending 3 feet horizontally and 8 feet vertically from the top of the bathtub rim.

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Question 17

Explain why bathrooms should not have overhead (ceiling) lighting only, but also wall-mounted lighting above or on either side of the mirror.

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Question 18

Explain the condition(s) under which a residential hallway is required to have one or more receptacles installed in it.

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Question 19

NEC 410.10(D) ____ lighting track to be located within a zone measured 3 ft (900 mm) horizontally and 8 ft (2.5 m) vertically from the top of a bathtub rim or top of a shower stall threshold.

(Multiple Choice)

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Question 20

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Exam 10: Lighting Branch Circuitbathrooms, Hallway

One way to protect people from electrical shock is found on grooming appliances that are equipped with a special attachment plug cap. Under what condition does the plug cap provide protection?

Hanging light fixtures must be kept at least ____________________ feet horizontally and ____________________ feet vertically from the edge of the tub rim.

Explain why receptacles are not permitted to be installed in bathtub and shower spaces.

The NEC permits all bathroom receptacles to be on a single ____ branch circuit so long as it doesn't supply other loads.

Explain the circumstance(s) under which switches are allowed to be installed in a tub or shower space.

For hallways of ____________________ or more in length, at least one receptacle outlet shall be required.

According to NEC 406.9, receptacles ____ permitted to be installed in bathtub and shower spaces.

As defined in Article 100, a bathroom is required to have a ____.

Describe the two ways that receptacles in bathrooms may be GFCI protected.

Install luminaires listed for ____ locations if they will be subject to shower spray.

When using nonmetallic-sheathed cable or armored cable, never use the bare equipment grounding conductor as a(n) ____________________ conductor, and never use the grounded circuit conductor as an equipment grounding conductor.

Some portable appliances use double insulation in place of grounding to provide shock protection to users. Double-insulated appliances normally have ____ power cords and attachment plug caps.

A bathroom is defined as "an area including a basin, with one or more of the following: ____.

With ____ products, it takes two failures to create a shock hazard to the user.

Recessed or surface-mounted luminaires and recessed exhaust fans ____ be located within the restricted zone near the bathtub.

Ceiling-suspended paddle fans must not be located within a zone measured ____ horizontally and ____ vertically from the top of the bathtub rim or top of a shower stall threshold.

Name at least three types of lighting fixtures and other equipment not permitted to be installed within the zone extending 3 feet horizontally and 8 feet vertically from the top of the bathtub rim.

Explain why bathrooms should not have overhead (ceiling) lighting only, but also wall-mounted lighting above or on either side of the mirror.

Explain the condition(s) under which a residential hallway is required to have one or more receptacles installed in it.

NEC 410.10(D) ____ lighting track to be located within a zone measured 3 ft (900 mm) horizontally and 8 ft (2.5 m) vertically from the top of a bathtub rim or top of a shower stall threshold.

General Information for Electrical Installations

Electrical Symbols and Outlets

Determining the Required Number of Branch Circuits, Lighting Outlets, Receptacle Outlets

Conductor Sizes and Types, Wiring Methods, Wire Connections, Voltage Drop, Neutral Conductor Sizing for Services

Conductor Identification, Switch Control of Lighting Circuits, Bondinggrounding of Wiring Devices, Induction Heating

Ground-Fault Circuit Interrupters, Arc-Fault Circuit Interrupters, Surge Protective Devices, Immersion Detection Circuit Interrupters, and Appliance Leakage Current Interrupters

Luminaires, Ballasts, and Lamps

Lighting Branch Circuit for the Front Bedroom

Lighting Branch Circuit for the Master Bedroom

Lighting Branch Circuit-Front Entry, Porch, Post-Light, Underground Wiring

Lighting Branch Circuit and Small-Appliance Circuits for the Kitchen

Lighting Branch Circuit for the Living Room

Lighting Branch Circuit for the Studybedroom

Dryer Outlet, Lighting and Receptacle Circuits for the Laundry, Powder Room, Rear Entry Hall, and Attic

Branch Circuits for the Garage and Outdoors

Recreation Room

Lighting Branch Circuit, Receptacle Circuits for Workshop

Special-Purpose Outletswater Pump, Water Heater

Special-Purpose Outlets for Ranges, Counter-Mounted Cooking Unit G, and Wall-Mounted Oven F

Special-Purpose Outletsfood Waste Disposer, Dishwasher

Special-Purpose Outlets for the Bathroom Ceiling Heatventlights K J, the Attic Fan L, and the Hydromassage Tub a

Special-Purpose Outletselectric Heating, Air Conditioning

Gas and Oil Central Heating Systems

Television, Telephone, and Low-Voltage Signal Systems

Smoke, Heat, and Carbon Monoxide Alarms, and Security Systems

Service-Entrance Equipment

Overcurrent Protectionfuses and Circuit Breakers

Service-Entrance Calculations

Swimming Pools, Spas, Hot Tubs, and Hydromassage Baths

Wiring for the Future: Home Automation Systems

Standby Power Systems

Residential Utility-Interactive Photovoltaic Systems

Filters

Hanging light fixtures must be kept at least feet horizontally and feet vertically from the edge of the tub rim.

Ceiling-suspended paddle fans must not be located within a zone measured horizontally and vertically from the top of the bathtub rim or top of a shower stall threshold.