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11 Cards in this Set
- Front
- Back
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To prevent overheating, recessed luminaires should be equipped with an _________________ ________________ |
Integral Thermal Protector |
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If one lamp goes out in a rapid start ballast, what will happen to the other lamp? |
It will be dimly lit. (Series) |
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If one lamp goes out in an instant-start, what will happen to the other lamp. |
Nothing. (Parallel) |
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Why should you replace flickering lights in an instant start ballast asap? |
Because it (rectification) can reduce ballast life. |
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To eliminate shock hazards while troubleshooting, what must be ensured? |
Ensure ballast casing is grounded directly to the lighting fixture. |
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If the lumen output of fluorescent lamp is dim, but everything appears to be normal, what could be the issue? |
Dust on the tubes. |
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True of False: Rapid start lamps exhibit shorter life spans than instant start lamps. |
False. Instant start lamps have the shorter life. |
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A fluorescent lamp known to be good is not lighting in a fixture. What could be the issue? |
Starter has failed Manual reset starter is not reset Improper of failed connections Problem with ballast |
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The ends of the fluorescent lamp in a preheat ballast fixture are lighted but the lamp does not light fully. What is the issue? |
Failed starter. Replace. |
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There is a swirling or fluttering effect in a fluorescent lamp. What is the issue? |
Not seasoned Low ambient temperature Lamp and ballast not comaptible Problem with ballast |
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What type of ballast is used for dimmable fluorescent lamps? |
Rapid start only. |
