Electrical Lighting

Front

NEC® requirements must be adhered to when installing incandescent recessed lighting fixtures because they _____

Back

are a fire hazard if installed incorrectly

Front

Which of the following will shorten the life of a filament in an incandescent lamp? Operating at cooler temperatures, Operating at warmer temperatures, Frequently turning it on and off, The use of a photosensor

Back

Operating at warmer temperatures

Front

Chandeliers are a type of _____?

Back

suspended lighting fixture

Front

When white light is passed through a prism, how many total colors are visible?

Back

6

Front

Compared to standard incandescent lamps, which of the following provides longer life and improved light quality when used in a lamp? Halogen gas, Argon atoms, UV radiation, Fused quartz

Back

Halogen gas

Front

Fluorescent lamps with a single pin at each end are known as _____.

Back

instant-start lamps

Front

When installing a surface-mounted fixture weighing more than 50 pounds, it _____.

Back

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

Front

NEC Article 410 contains requirements for installing _____.

Back

recessed lighting fixtures

Front

Which of the following contain ballasts that provide high voltage across the lamp's electrodes at startup, causing them to emit electrons? Instant-start lamps, Preheat lamps, Rapid-start lamps, Fluorescent lamps

Back

Instant-start lamps

Front

Which of the following is an HID ballast category? Autoranging circuit, Constant wattage autotransformer, Inverted, Dual-coil

Back

Constant wattage autotransformer