Journeyman Open Book Practice Exam #21 | 2023 | Questions with 100% Correct Answers | Updated & Verified

where extensive metal in or on buildings or structures may become energized and is subject to personal contact _______ will provide additional safety. a) adequate bonding and grounding b) bonding c) suitable ground detectors d) none of these - a) adequate bonding and grounding single conductor cables shall be ______ or larger and shall be of a type listed for use in cable trays. (a) #1 (b) #1/0 (c)#4/0 (d)#250 kcmil - (b) #1/0 392.10 (B1) The grounded conductor, when insulated, shall have insulation _____ I. rated not less than 300 volts for solidly grounded neutral systems of 2 kv and over as described in section 250.184 II. which is suitable, other than color, for any ungrounded conductor of the same circuit on circuits of less than 1000 volts.