LADWP Electric Station Operator Study
Guide | Comprehensive Exam Questions
with Correct Answers and Rationales |
Latest Update 2026
Question 1
One of the primary tasks of the Electric Station Operator is the __________ of high
voltage circuits.
Answer: switching. ✔✔
Rationale: Electric Station Operators are primarily responsible for switching high
voltage circuits to maintain reliability, perform maintenance, and respond to
emergencies.
Question 2
Electrical current may flow across the contacts of ____ to ____ electrical switches
before it reaches the consumer.
Answer: 50 to 100. ✔✔
Rationale: Multiple switches (50 to 100) are installed in the path from the generator to
the consumer to provide reliability, flexibility, and safeguards for the electrical power
system.
Question 3
The __________ operation of these electrical switches can pose a serious hazard to
personnel, can cause destruction of expensive power system equipment, and can cause
unnecessary interruption of electrical service to consumers.
Answer: improper. ✔✔
Rationale: Improper operation of electrical switches can create serious hazards,
damage equipment, and interrupt service. Proper training and procedures are essential.
pg. 1
,Question 4
Electrical __________ are installed in the path from the generator to the consumer to
provide reliability, flexibility, and safeguards for the electrical power system.
Answer: switches. ✔✔
Rationale: Switches are installed throughout the power system to provide control,
protection, and flexibility in managing electrical flow.
Question 5
Operators use electrical switches to perform routine, automatic, and ____________
switching operations on the electrical system.
Answer: emergency. ✔✔
Rationale: Switching operations fall into three categories: routine (planned
maintenance), automatic (self-operating), and emergency (response to outages and
abnormal conditions).
Question 6
___________ switching is for maintenance, construction, cleaning, testing, etc.
Answer: Routine. ✔✔
Rationale: Routine switching is performed for scheduled maintenance, construction,
cleaning, and testing to ensure system reliability.
Question 7
___________ switching operations include automatic reclosers (ARs), Voltage Pickup
Unit (VPUs), and Automatic Transfer Switching (ATSs).
Answer: Automatic. ✔✔
Rationale: Automatic switching operations occur without human intervention through
devices like automatic reclosers and transfer switches.
Question 8
___________ switching operations include isolate trouble, restoration, 4.8kV Ground
Search, etc.
Answer: Emergency. ✔✔
pg. 2
, Rationale: Emergency switching is performed in response to power outages and
abnormal conditions to isolate problems and restore service.
Question 9
The placement of ___________ electrical switches in the power system makes it
possible to limit both the duration and the extent of power outages.
Answer: automatic. ✔✔
Rationale: Automatic switches can respond instantly to faults, minimizing outage
duration and limiting the affected area.
Question 10
__________ switching performed by Operators is usually in response to power
outages and abnormal conditions such as overloads.
Answer: Emergency. ✔✔
Rationale: Emergency switching addresses power outages and abnormal conditions to
protect equipment and restore service.
Question 11
The electrical function of switches falls into two categories; ___________ of relatively
high values of current and voltage under load AND the switching of circuits to provide a
visual confirmation of de-energization.
Answer: manipulation. ✔✔
Rationale: Switches serve two primary electrical functions: manipulating high
current/voltage under load and providing visual confirmation of de-energization for
safety.
Question 12
__________ are electrical switches that are used to manipulate high values of current
and voltage in circuits that are carrying current or will be carrying current following the
operation.
Answer: Circuit breakers. ✔✔
Rationale: Circuit breakers are designed to handle high current and voltage values
under load conditions, making them suitable for energizing and de-energizing circuits.
pg. 3
Guide | Comprehensive Exam Questions
with Correct Answers and Rationales |
Latest Update 2026
Question 1
One of the primary tasks of the Electric Station Operator is the __________ of high
voltage circuits.
Answer: switching. ✔✔
Rationale: Electric Station Operators are primarily responsible for switching high
voltage circuits to maintain reliability, perform maintenance, and respond to
emergencies.
Question 2
Electrical current may flow across the contacts of ____ to ____ electrical switches
before it reaches the consumer.
Answer: 50 to 100. ✔✔
Rationale: Multiple switches (50 to 100) are installed in the path from the generator to
the consumer to provide reliability, flexibility, and safeguards for the electrical power
system.
Question 3
The __________ operation of these electrical switches can pose a serious hazard to
personnel, can cause destruction of expensive power system equipment, and can cause
unnecessary interruption of electrical service to consumers.
Answer: improper. ✔✔
Rationale: Improper operation of electrical switches can create serious hazards,
damage equipment, and interrupt service. Proper training and procedures are essential.
pg. 1
,Question 4
Electrical __________ are installed in the path from the generator to the consumer to
provide reliability, flexibility, and safeguards for the electrical power system.
Answer: switches. ✔✔
Rationale: Switches are installed throughout the power system to provide control,
protection, and flexibility in managing electrical flow.
Question 5
Operators use electrical switches to perform routine, automatic, and ____________
switching operations on the electrical system.
Answer: emergency. ✔✔
Rationale: Switching operations fall into three categories: routine (planned
maintenance), automatic (self-operating), and emergency (response to outages and
abnormal conditions).
Question 6
___________ switching is for maintenance, construction, cleaning, testing, etc.
Answer: Routine. ✔✔
Rationale: Routine switching is performed for scheduled maintenance, construction,
cleaning, and testing to ensure system reliability.
Question 7
___________ switching operations include automatic reclosers (ARs), Voltage Pickup
Unit (VPUs), and Automatic Transfer Switching (ATSs).
Answer: Automatic. ✔✔
Rationale: Automatic switching operations occur without human intervention through
devices like automatic reclosers and transfer switches.
Question 8
___________ switching operations include isolate trouble, restoration, 4.8kV Ground
Search, etc.
Answer: Emergency. ✔✔
pg. 2
, Rationale: Emergency switching is performed in response to power outages and
abnormal conditions to isolate problems and restore service.
Question 9
The placement of ___________ electrical switches in the power system makes it
possible to limit both the duration and the extent of power outages.
Answer: automatic. ✔✔
Rationale: Automatic switches can respond instantly to faults, minimizing outage
duration and limiting the affected area.
Question 10
__________ switching performed by Operators is usually in response to power
outages and abnormal conditions such as overloads.
Answer: Emergency. ✔✔
Rationale: Emergency switching addresses power outages and abnormal conditions to
protect equipment and restore service.
Question 11
The electrical function of switches falls into two categories; ___________ of relatively
high values of current and voltage under load AND the switching of circuits to provide a
visual confirmation of de-energization.
Answer: manipulation. ✔✔
Rationale: Switches serve two primary electrical functions: manipulating high
current/voltage under load and providing visual confirmation of de-energization for
safety.
Question 12
__________ are electrical switches that are used to manipulate high values of current
and voltage in circuits that are carrying current or will be carrying current following the
operation.
Answer: Circuit breakers. ✔✔
Rationale: Circuit breakers are designed to handle high current and voltage values
under load conditions, making them suitable for energizing and de-energizing circuits.
pg. 3
