Low Voltage Practice Test 2 Exams

LOW VOLTAGE PRACTICE TEST 2 EXAMS ll ll ll l ll ll




1. Class 2 and 3 circuit conductors shall be installed in rigid metal conduit
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a. in hoistways
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b. in enclosures
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c. under carpets ll


d. in one and two family dwellings: a. in hoistways
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Article 725.136(H)
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2. Conductors for 24V lighting systems that are extended through a wall are
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supplied by
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a. Class 1 power sources ll ll ll


b. Class 2 power sources ll ll ll


c. Class 3 power sources ll ll ll


d. PLTC power sources: b. Class 2 power sources
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Article 411.5(A)(2)
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3. Network-powered broadband communications cables and Class 1 cables are ll ll ll ll ll ll ll ll




a. Permitted in the same cable tray ll ll ll ll ll


b. Permitted in the same cable tray with a permanent barrier ll ll ll ll ll ll ll ll ll


c. Not permitted in the same cable tray
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d. band c: d. band c ll l l ll




Article 830.133(A)(1)(E)
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4. Optical fiber cables shall be permitted to be installed in the
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following raceways
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a. Any raceway recognized in Ch 3
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b. Communications raceways ll


c. Innerducts for optical fiber cables ll ll ll ll


d. all of these: d. all of these
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Article 770.110 (A), (1), (2) and (3)
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5. Uninterruptible power supplies in information technology rooms shall have l l ll ll ll ll ll ll




a. an approved means of disconnecting the output circuits
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1/ l1 2

, b. an approved means of disconnecting the supply power
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2/ l1 2