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NCCER 203 EXAM QUESTIONS AND ANSWERS
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NCCER 203 EXAM QUESTIONS AND ANSWERS
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NCCER 203 EXAM QUESTIONS ANDANSWERS
Which of the following provides high voltage across the lamp's electrodes at startup,
causing them to emit electrons? - Answer-Instant-start ballast
A flange hanger is commonly used with a: - Answer-suspended fixture
Chandeliers are a type of: - Answer-suspended lighting fixture
Energy legislation promotes the replacement of full-wattage fluorescent lamps with
higher- efficiency types, such as: - Answer-T-5s
Which of the following will shorten the life of a filament in an incandescent lamp? -
Answer-Operating at warmer temperatures
Fluorescent lamps with a single pin at each end are known as: - Answer-instant-start
lamps
Which type of ballast has the highest system efficiency? - Answer-Electronic instant-
start
Unless it is protected or is a low-voltage type of track, track lighting on a wall must be
installed at least: - Answer-5' above the floor
The type of high-intensity discharge (HID) lamp that has excellent color rendition is the:
- Answer-metal halide lamp
Which of the following are often used in conjunction with time clocks to turn off lighting
when it is no longer needed? - Answer-Photosensors
A type of system that can be used to control both lighting and HVAC equipment is a(n):
- Answer-EMS
Which color temperature produces a balance between warmth and coolness? - Answer-
3,500K
The junction box and recessed lighting fixture should be separated by a minimum
distance of: - Answer-1'
When used outdoors, photosensors should be aimed due: - Answer-north
Light enters the eye through a transparent layer called the: - Answer-cornea
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