Nccer electrical

when used outdoors, photo sensors should be aimed due

• photo sensors

• north

• halogen gas

• instant-start lamps

which of the following describes a color temperature 4,100k and higher

• cool in tone with a bias toward blue and greens

• constant wattage autotransformer

• operating at warmer temperature

• Dark red glazed bricks

Which color temperature produces produces a balance between warmth and coolness

• 40,000k

• 35,100k

• 34,000k

• 3,5000k

when installing a surface-mounted fixture weighing more than 50 pounds, it

• can be supported by the outlet box if the box is designed and marked to support more than 50 pounds.

• north

• cool in tone with a bias toward blue and greens

• operating at warmer temperature

fluorescent lamps with a single pin at each end are known as

• instant-start lamps

• electronic instant-start

• metal halide lamp

• daylight-simulating fluorescent

which of the following will shorten the life of a filament in an incandescent lamp?

• dark red glazed bricks

• constant wattage autotransformer

• operating at warmer temperature

• photo sensors

which of the following materials absorbs the most light?

• Fixture whip

• Halogen gas

• Metal halide lamp

• Dark red glazed bricks

Which section of the NEC requires that at least 6" of free conductor length be left at each outlet box when cutting the branch circuit wires in preparation for connecting a light fixture?

• NEC Section 300.14

• Nec Section 1500.14

• 5' above the floor

• Nec Section 300.19

chandeliers are a type of

• suspended lighting fixture

• recessed lighting fixtures

• fixture whip

• instant-start lamps

In an office where people sit quietly at desks from 8:30 a.m. to 5:00 p.m., Which type of lighting control would be most efficient in turning off the lights when they were not needed?

• fixture whip

• photo sensors

• instant-start lamps

• timer