NCCER Exam Test Questions & Correct Answers

NCCER Exam Test Questions & Correct Answers A UL listed rod type grounding electrode must have a MINIMUM length of: a) 6' b) 8' c) 10' d) 20' - ANSWER : 8' What is the MINIMUM number of overload sensing units required for all three phase motors? a) 0 b) 1 c) 2 d) 3 - ANSWER : 3 In a circuit of pure capacitance, the current leads the voltage by an angle of: a) 30-degrees b) 45-degrees c) 90-degrees d) 180-degrees - ANSWER : 90-degrees The standard unit for measuring the cross-sectional area of wire is the: a) circular mil b) square mil c) round mil d) radial mil - ANSWER : Circular mil The drawing scale is MOST likely to be found in which of the following drawing locations? a) The lighting fixture schedule b) The symbol list c) The drawing title block d) The power riser diagram - ANSWER : The drawing title block