ELE 146 COMPREHENSIVE STUDY GUIDE 2026 FULL
QUESTIONS AND SOLUTIONS GRADED A+
● D. grounded. Answer: A. combustible
● D. 250%. Answer: A. 115%
● D. 12. Answer: C. 10
● D. use the alternate winding for the motor. Answer: B. swap any two phases
● D. an isolated bonding jumper. Answer: C. an equipment bonding jumper
● D. inserting it in parallel with the "stop" button. Answer: C. inserting it in parallel with
the first start pushbutton
● D. the contacts stay closed. Answer: A. gravity and spring tension opens the contacts
● D. 4. Answer: C. 6
● D. digital output. Answer: C. digital input
● D. 20A/250 V. Answer: C 20A/150 V
● D. time delay. Answer: D. time delay
● D. toggle switches. Answer: D. toggle switch
● D. recognized. Answer: B. identified
● D. only switch non motor control signals. Answer: B. only switch control voltages in
motor control circuits
● D. indicate point to point connections. Answer: D. indicate point to point connections
● D. lead / 120. Answer: A. lag / 90
● D. mechanical energy into horsepower. Answer: B. electrical energy to mechanical
energy
● D. shock. Answer: D. shock
, ● D. wire from high currents. Answer: B. motor from sustained overcurrent
● D. motor overload protection. Answer: D. motor overload protection
● D. 2 normally open contacts and 2 normally closed contacts. Answer: A. j1 normally
open contact and 1 normally closed contact
● D. time rating. Answer: A. date of manufacture
● D. 3 AWG. Answer: C. 4 AWG
● D. switch. Answer: D. switch
● D. servicing. Answer: C. replacing
● D. step up. Answer: D. step up
● D. 3 sets of 3 leads that will have continuity it will also have 2 sets of 2 leads with
continuity. Answer: C. 3 sets of 3 leads that have continuity between leads
● The transformer connections show the transformer is connected ___?. Answer:
Primary low voltage delta - secondary high voltage delta
● D. the coil voltage for the motor. Answer: B. 1.73 times the coil voltage of the motor
● D. provide overload protection. Answer: A. hold the coil in the circuit
● Identify the connection types on the buck boost transformer. Answer: Voltage buck
connection
● D. the pressure switches operate at -3 feet and +5 feet, respectively. Answer: A. MS1
controls a normally closed contact n rung 3 and a normally open contact on rung 5
● C. maintain a high resistance to ground on the service enclosure. Answer: A. carry the
fault current back to ground
● D. NEMA starters can be repaired, while IEC starters generally need to be replaced.
Answer: D. NEMA starters can be repaired while IEC starters typically need to be replaced
● D. (120x No. of poles) / Hz. Answer: C. (120 x Hz) / No. of poles
● what image shows a transformer that is connected in a primary delta low, secondary
wye low connection?. Answer: D
QUESTIONS AND SOLUTIONS GRADED A+
● D. grounded. Answer: A. combustible
● D. 250%. Answer: A. 115%
● D. 12. Answer: C. 10
● D. use the alternate winding for the motor. Answer: B. swap any two phases
● D. an isolated bonding jumper. Answer: C. an equipment bonding jumper
● D. inserting it in parallel with the "stop" button. Answer: C. inserting it in parallel with
the first start pushbutton
● D. the contacts stay closed. Answer: A. gravity and spring tension opens the contacts
● D. 4. Answer: C. 6
● D. digital output. Answer: C. digital input
● D. 20A/250 V. Answer: C 20A/150 V
● D. time delay. Answer: D. time delay
● D. toggle switches. Answer: D. toggle switch
● D. recognized. Answer: B. identified
● D. only switch non motor control signals. Answer: B. only switch control voltages in
motor control circuits
● D. indicate point to point connections. Answer: D. indicate point to point connections
● D. lead / 120. Answer: A. lag / 90
● D. mechanical energy into horsepower. Answer: B. electrical energy to mechanical
energy
● D. shock. Answer: D. shock
, ● D. wire from high currents. Answer: B. motor from sustained overcurrent
● D. motor overload protection. Answer: D. motor overload protection
● D. 2 normally open contacts and 2 normally closed contacts. Answer: A. j1 normally
open contact and 1 normally closed contact
● D. time rating. Answer: A. date of manufacture
● D. 3 AWG. Answer: C. 4 AWG
● D. switch. Answer: D. switch
● D. servicing. Answer: C. replacing
● D. step up. Answer: D. step up
● D. 3 sets of 3 leads that will have continuity it will also have 2 sets of 2 leads with
continuity. Answer: C. 3 sets of 3 leads that have continuity between leads
● The transformer connections show the transformer is connected ___?. Answer:
Primary low voltage delta - secondary high voltage delta
● D. the coil voltage for the motor. Answer: B. 1.73 times the coil voltage of the motor
● D. provide overload protection. Answer: A. hold the coil in the circuit
● Identify the connection types on the buck boost transformer. Answer: Voltage buck
connection
● D. the pressure switches operate at -3 feet and +5 feet, respectively. Answer: A. MS1
controls a normally closed contact n rung 3 and a normally open contact on rung 5
● C. maintain a high resistance to ground on the service enclosure. Answer: A. carry the
fault current back to ground
● D. NEMA starters can be repaired, while IEC starters generally need to be replaced.
Answer: D. NEMA starters can be repaired while IEC starters typically need to be replaced
● D. (120x No. of poles) / Hz. Answer: C. (120 x Hz) / No. of poles
● what image shows a transformer that is connected in a primary delta low, secondary
wye low connection?. Answer: D
