NCCER Examination Prep Set Questions Revised With Correct Answers Updated & Already Passed

NCCER Examination Prep Set Questions Revised With Correct Answers Updated & Already Passed A UL listed rod type grounding electrode must have a MINIMUM length of? - ANSWER : 8' What is the MINIMUM number of overload sensing units required for all three phase motors? - ANSWER : 3 In a circuit of pure capacitance, the current leads the voltage by an angle of? - ANSWER : 90 degrees The standard unit for measuring the cross sectional area of wire is the? - ANSWER : Circular mil. The drawing scale is MOST likely to be found in which of the following drawing locations? - ANSWER : The drawing title block The length of a bare copper conductor in a ground ring must be buried no less than 2.5' below grade and with a length of at least: - ANSWER : 20 ft. When installing heating cables for anti-icing systems, cable pattern should be in a? - ANSWER : Serpentine An auxiliary holding contact (seal-in) on a NEMA starter is indicated by the terminal marking? - ANSWER : A1 & A2 The neutral bus in a sub panel: - ANSWER : Is bonded The PEAK voltage in a nominal 120/280 VAC system is? - ANSWER : 208 V.