NYC DCAS Electrician Exam QUESTIONS AND CORRECT ANSWERS WITH RATIONALES
Exam Coverage
• Core principles of electrical safety and their practical application
• Core principles of Ohm's law and circuit theory and their practical application
• Core principles of conductors and raceways and their practical application
• Core principles of grounding and bonding and their practical application
• Core principles of overcurrent protection and their practical application
• Core principles of motors and controls and their practical application
• Core principles of transformers and their practical application
• Core principles of branch circuits and feeders and their practical application
• Core principles of testing and troubleshooting and their practical application
• Core principles of NYC code and plans and their practical application
1. A competent professional is reviewing electrical safety. Which approach is most
appropriate in this situation? The worker should protect people and property first, preserve
accurate records, and complete the task only when the required controls are in place.
A. protect people and property first, preserve accurate records, and complete the task only when
the required controls are in place
B. confirm measurements or identifying information before acting because an incorrect
assumption could produce an unsafe or invalid result
,C. apply the established sequence consistently so the work remains traceable, defensible, and
technically sound
D. select equipment and methods based on the actual load, condition, rating, or risk rather than
convenience
Correct Answer: A
Rationale: Following the established procedure creates a repeatable result and prevents a worker
from substituting personal assumptions for the governing requirement.
2. If a condition affecting Ohm's law and circuit theory is discovered, which next step is
most appropriate? The worker should confirm measurements or identifying information
before acting because an incorrect assumption could produce an unsafe or invalid result.
A. apply the established sequence consistently so the work remains traceable, defensible, and
technically sound
B. confirm measurements or identifying information before acting because an incorrect
assumption could produce an unsafe or invalid result
C. select equipment and methods based on the actual load, condition, rating, or risk rather than
convenience
D. communicate the relevant facts neutrally and avoid altering a record simply to satisfy another
person's preference
Correct Answer: B
Rationale: Verification matters because the apparent symptom may have more than one cause,
and corrective action should address the verified condition.
,3. While performing work related to conductors and raceways, which practice should be
followed? The worker should apply the established sequence consistently so the work
remains traceable, defensible, and technically sound.
A. select equipment and methods based on the actual load, condition, rating, or risk rather than
convenience
B. communicate the relevant facts neutrally and avoid altering a record simply to satisfy another
person's preference
C. apply the established sequence consistently so the work remains traceable, defensible, and
technically sound
D. complete the required inspection or verification step before returning the system, vehicle,
record, or equipment to normal service
Correct Answer: C
Rationale: Safety controls must be established before technical work proceeds because an
otherwise correct task can still create unacceptable exposure or equipment risk.
4. Which statement best describes the correct approach to grounding and bonding in a
regulated work environment? The worker should select equipment and methods based on
the actual load, condition, rating, or risk rather than convenience.
A. communicate the relevant facts neutrally and avoid altering a record simply to satisfy another
person's preference
B. complete the required inspection or verification step before returning the system, vehicle,
record, or equipment to normal service
, C. verify the actual condition, follow the applicable procedure, document the result, and avoid
unsupported assumptions
D. select equipment and methods based on the actual load, condition, rating, or risk rather than
convenience
Correct Answer: D
Rationale: Accurate records support accountability, later troubleshooting, compliance reviews,
and continuity between workers or shifts.
5. During troubleshooting of overcurrent protection, which response is most appropriate
before a final decision is made? The worker should communicate the relevant facts
neutrally and avoid altering a record simply to satisfy another person's preference.
A. communicate the relevant facts neutrally and avoid altering a record simply to satisfy another
person's preference
B. complete the required inspection or verification step before returning the system, vehicle,
record, or equipment to normal service
C. verify the actual condition, follow the applicable procedure, document the result, and avoid
unsupported assumptions
D. stop and assess the hazard, confirm the relevant requirements, and then select the authorized
corrective action
Correct Answer: A
Rationale: Using equipment within its rating and intended purpose reduces failure risk and is a
fundamental part of competent professional practice.
Exam Coverage
• Core principles of electrical safety and their practical application
• Core principles of Ohm's law and circuit theory and their practical application
• Core principles of conductors and raceways and their practical application
• Core principles of grounding and bonding and their practical application
• Core principles of overcurrent protection and their practical application
• Core principles of motors and controls and their practical application
• Core principles of transformers and their practical application
• Core principles of branch circuits and feeders and their practical application
• Core principles of testing and troubleshooting and their practical application
• Core principles of NYC code and plans and their practical application
1. A competent professional is reviewing electrical safety. Which approach is most
appropriate in this situation? The worker should protect people and property first, preserve
accurate records, and complete the task only when the required controls are in place.
A. protect people and property first, preserve accurate records, and complete the task only when
the required controls are in place
B. confirm measurements or identifying information before acting because an incorrect
assumption could produce an unsafe or invalid result
,C. apply the established sequence consistently so the work remains traceable, defensible, and
technically sound
D. select equipment and methods based on the actual load, condition, rating, or risk rather than
convenience
Correct Answer: A
Rationale: Following the established procedure creates a repeatable result and prevents a worker
from substituting personal assumptions for the governing requirement.
2. If a condition affecting Ohm's law and circuit theory is discovered, which next step is
most appropriate? The worker should confirm measurements or identifying information
before acting because an incorrect assumption could produce an unsafe or invalid result.
A. apply the established sequence consistently so the work remains traceable, defensible, and
technically sound
B. confirm measurements or identifying information before acting because an incorrect
assumption could produce an unsafe or invalid result
C. select equipment and methods based on the actual load, condition, rating, or risk rather than
convenience
D. communicate the relevant facts neutrally and avoid altering a record simply to satisfy another
person's preference
Correct Answer: B
Rationale: Verification matters because the apparent symptom may have more than one cause,
and corrective action should address the verified condition.
,3. While performing work related to conductors and raceways, which practice should be
followed? The worker should apply the established sequence consistently so the work
remains traceable, defensible, and technically sound.
A. select equipment and methods based on the actual load, condition, rating, or risk rather than
convenience
B. communicate the relevant facts neutrally and avoid altering a record simply to satisfy another
person's preference
C. apply the established sequence consistently so the work remains traceable, defensible, and
technically sound
D. complete the required inspection or verification step before returning the system, vehicle,
record, or equipment to normal service
Correct Answer: C
Rationale: Safety controls must be established before technical work proceeds because an
otherwise correct task can still create unacceptable exposure or equipment risk.
4. Which statement best describes the correct approach to grounding and bonding in a
regulated work environment? The worker should select equipment and methods based on
the actual load, condition, rating, or risk rather than convenience.
A. communicate the relevant facts neutrally and avoid altering a record simply to satisfy another
person's preference
B. complete the required inspection or verification step before returning the system, vehicle,
record, or equipment to normal service
, C. verify the actual condition, follow the applicable procedure, document the result, and avoid
unsupported assumptions
D. select equipment and methods based on the actual load, condition, rating, or risk rather than
convenience
Correct Answer: D
Rationale: Accurate records support accountability, later troubleshooting, compliance reviews,
and continuity between workers or shifts.
5. During troubleshooting of overcurrent protection, which response is most appropriate
before a final decision is made? The worker should communicate the relevant facts
neutrally and avoid altering a record simply to satisfy another person's preference.
A. communicate the relevant facts neutrally and avoid altering a record simply to satisfy another
person's preference
B. complete the required inspection or verification step before returning the system, vehicle,
record, or equipment to normal service
C. verify the actual condition, follow the applicable procedure, document the result, and avoid
unsupported assumptions
D. stop and assess the hazard, confirm the relevant requirements, and then select the authorized
corrective action
Correct Answer: A
Rationale: Using equipment within its rating and intended purpose reduces failure risk and is a
fundamental part of competent professional practice.
