Journeyman Electrician Final | Exam Already Graded A+

When determining the initial standard size time-delay fuse for branch-circuit, short-circuit, and groundfault protection for a threephase, continuous duty, squirrel cage, AC motor, the fuse shall have a rating of _____ of the FLC of the motor. When the value determined does not correspond to a standard ampere rating, the next higher standard rating shall be permitted. a) 175 percent b) 150 percent c) 225 percent d) 250 percent - A: 175 percent Ref: Tbl. 430.52; 430.52(C)(1), Ex.1 In compliance with the NEC, a conductor with three white stripes on a black background is permitted to be used as a(n) _____ conductor. a) ungrounded b) grounding c) grounded d) hot-phase - C: grounded Ref: 200.7(A)(2) An installation consisting of seven non-jacketed size 12 AWG Type MC cables, each with three currentcarrying conductors bundled together longer than 24 inches shall have an adjustment factor of ______. a) 45 percent b) 50 percent c) 60 percent d) 70 percent - C: 60 percent Ref: 310.15(B)(2), Ex.5Which one of the following listed wiring methods is NOT permitted to be installed in ducts or plenums fabricated to transport environmental air? a) flexible metallic tubing b) type MI cable c) electrical metallic tubing d) liquid-tight flexible metal conduit - D: liquid-tight flexible metal conduit Ref:300.22(B)