SOLVED ITEMS ACCURATE MARKING
◉ If the potential across the circuit is 48 volts and the current is 5
amps the resistance of the circuit is: Answer: 9.6 ohms
◉ 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 a measuring the cross-sectional area of a
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 little 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
patters 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 120/208 VAC system is: Answer:
208V.
◉ THWN conductors have an outer jacket made of: Answer: nylon
◉ What is shown on a sectional drawing? Answer: Cutaway view of a
building
◉ Who is allowed to remove another electrician's tag or lock from
any valve, switch, or piece of equipment without proper
authorization? Answer: no one.