ETCP Certified Entertainment Electrician
Exam Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the standard voltage for stage lighting circuits in North
America?
120 V
Most stage lighting circuits in North America use 120 volts for
standard equipment and safety compatibility.
2. Which type of cable is commonly used for portable stage lighting?
SOOW
SOOW cable is flexible, durable, and rated for both indoor and
outdoor stage use.
3. What is the purpose of a dimmer in theatrical lighting?
To control the intensity of a light fixture
Dimmers allow precise control of lighting levels, essential for mood
and scene changes.
4. Which of the following is a common connector type for stage
lighting?
Edison
Edison connectors are widely used for portable lighting in North
America.
,5. What is the primary safety concern when working with high-
current stage circuits?
Electric shock
High-current circuits can cause serious injury; proper grounding
and PPE are essential.
6. What color code is typically used for grounding conductors in
stage wiring?
Green or green with yellow stripe
This standard color coding ensures that the grounding conductor is
easily identifiable.
7. What device protects a lighting circuit from overcurrent?
Circuit breaker
Circuit breakers prevent overloads and potential fire hazards by
interrupting excessive current.
8. Which of the following is a standard theatrical lamp base?
Edison
Edison bases are standard in many theatrical lamps, allowing
compatibility with most fixtures.
9. How often should a portable electric tool be inspected in a theater
environment?
Before each use
Frequent inspection helps prevent electrical accidents and
equipment damage.
10. What is the function of a patch panel in stage lighting?
To organize and route circuits from dimmers to fixtures
Patch panels simplify changes and troubleshooting in complex
lighting setups.
, 11. Which type of relay is commonly used in stage lighting
systems?
Electromechanical relay
Electromechanical relays allow remote switching of high-current
lighting circuits safely.
12. What does a GFCI protect against?
Electric shock from ground faults
Ground Fault Circuit Interrupters detect small leaks of current to
ground and shut off power quickly.
13. Which tool is essential for testing continuity in stage circuits?
Multimeter
Multimeters can measure voltage, current, resistance, and
continuity, making them versatile for stage electrical work.
14. What is the main reason for using copper wire in stage
wiring?
High conductivity
Copper conducts electricity efficiently, reducing energy loss and
heat buildup.
15. Which standard governs electrical safety in entertainment
venues in the U.S.?
NFPA 70 (NEC)
The National Electrical Code provides safety standards for
installation and maintenance of electrical systems.
16. What is the maximum recommended load for a 20-amp
stage circuit?
1920 W at 120 V
Exam Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the standard voltage for stage lighting circuits in North
America?
120 V
Most stage lighting circuits in North America use 120 volts for
standard equipment and safety compatibility.
2. Which type of cable is commonly used for portable stage lighting?
SOOW
SOOW cable is flexible, durable, and rated for both indoor and
outdoor stage use.
3. What is the purpose of a dimmer in theatrical lighting?
To control the intensity of a light fixture
Dimmers allow precise control of lighting levels, essential for mood
and scene changes.
4. Which of the following is a common connector type for stage
lighting?
Edison
Edison connectors are widely used for portable lighting in North
America.
,5. What is the primary safety concern when working with high-
current stage circuits?
Electric shock
High-current circuits can cause serious injury; proper grounding
and PPE are essential.
6. What color code is typically used for grounding conductors in
stage wiring?
Green or green with yellow stripe
This standard color coding ensures that the grounding conductor is
easily identifiable.
7. What device protects a lighting circuit from overcurrent?
Circuit breaker
Circuit breakers prevent overloads and potential fire hazards by
interrupting excessive current.
8. Which of the following is a standard theatrical lamp base?
Edison
Edison bases are standard in many theatrical lamps, allowing
compatibility with most fixtures.
9. How often should a portable electric tool be inspected in a theater
environment?
Before each use
Frequent inspection helps prevent electrical accidents and
equipment damage.
10. What is the function of a patch panel in stage lighting?
To organize and route circuits from dimmers to fixtures
Patch panels simplify changes and troubleshooting in complex
lighting setups.
, 11. Which type of relay is commonly used in stage lighting
systems?
Electromechanical relay
Electromechanical relays allow remote switching of high-current
lighting circuits safely.
12. What does a GFCI protect against?
Electric shock from ground faults
Ground Fault Circuit Interrupters detect small leaks of current to
ground and shut off power quickly.
13. Which tool is essential for testing continuity in stage circuits?
Multimeter
Multimeters can measure voltage, current, resistance, and
continuity, making them versatile for stage electrical work.
14. What is the main reason for using copper wire in stage
wiring?
High conductivity
Copper conducts electricity efficiently, reducing energy loss and
heat buildup.
15. Which standard governs electrical safety in entertainment
venues in the U.S.?
NFPA 70 (NEC)
The National Electrical Code provides safety standards for
installation and maintenance of electrical systems.
16. What is the maximum recommended load for a 20-amp
stage circuit?
1920 W at 120 V
