Low Voltage Practice Test 2 Exams Questions With Verified Answerts By Experts

LOW VOLTAGE PRACTICE TEST 2 a a a a




EXAMS QUESTIONS WITH VERIFIED
a a a a




ANSWERTS BY EXPERTS
a a a




1. Class 2 and 3 circuit conductors shall be installed in rigid metal conduit
a a a a a a a a a a a a


a. in hoistways
a


b. in enclosures
a


c. under carpets a


d. in one and two family dwellings: a. in hoistways
a a a a a a a a




Article 725.136(H) a


2. Conductors for 24V lighting systems that are extended through a wall are
a a a a a a a a a a a


supplied by
a a




a. Class 1 power sourcesa a a


b. Class 2 power sourcesa a a


c. Class 3 power sourcesa a a


d. PLTC power sources: b. Class 2 power sources
a a a a a a a




Article 411.5(A)(2) a


3. Network-powered broadband communications cables and Class 1 cables a a a a a a a


are
a




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


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


c. Not permitted in the same cable tray
a a a a a a


d. band c: d. band c a a a a




Article 830.133(A)(1)(E)
a


4. Optical fiber cables shall be permitted to be installed in the
a a a a a a a a a a


following raceways
a a




a. Any raceway recognized in Ch 3
a a a a a


b. Communications raceways a


c. Innerducts for optical fiber cables a a a a


d. all of these: d. all of these
a a a a a a




1/ a12

,Article 770.110 (A), (1), (2) and (3)
a a a a a a


5. Uninterruptible power supplies in information technology rooms shall have
a a a a a a a a




a. an approved means of disconnecting the output circuits
a a a a a a a




2/ a12

, b. an approved means of disconnecting the supply power
a a a a a a a




3/ a12