Question 6064 of 938 · Maryland Journeyperson Electrician Exam
Single conductor cables installed in a ladder cable tray must generally be what minimum size?
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 6064
- D: 1/0 AWG
Explanation
Single conductor cables in ladder, ventilated trough, or ventilated channel cable trays must be 1/0 AWG and larger, with smaller sizes allowed only under specific conditions. See 392.10(B)(1).
More questions: Wiring Methods, Conductors and Boxes
- 6066Which location permits Type NM cable?
- 6067In an attic reached only by a scuttle hole, NM cable run across the top of joists must be protected by guard strips within what distance of the scuttle hole?
- 6068In an unfinished basement, NM cable run at angles to joists must be run through bored holes or on running boards if it is smaller than
- 6069The ampacity of NM cable conductors is generally determined using which temperature column?
- 6070Which is a permitted use of Type UF cable?
- 6071Where rigid PVC conduit is exposed above grade and subject to physical damage, it must be