Electrician Red Seal · Question
Which protective device is designed to detect and interrupt current flow when an undesirable electrical arc occurs in a circuit, potentially preventing fires?
An Arc Fault Circuit Interrupter (AFCI) is specifically designed to detect hazardous electrical arcs (series or parallel) that may lead to fires and quickly de-
Start free practice for Electrician Red Seal
150 questions · no signup required · 40 free questions per day
Question: Which protective device is designed to detect and interrupt current flow when an undesirable electrical arc occurs in a circuit, potentially preventing fires?
Answer options:
- Ground Fault Circuit Interrupter (GFCI)
- Overcurrent Protection Device (OCPD) ✅ Arc Fault Circuit Interrupter (AFCI)
- Residual Current Device (RCD)
Correct answer: Arc Fault Circuit Interrupter (AFCI)
Explanation: An Arc Fault Circuit Interrupter (AFCI) is specifically designed to detect hazardous electrical arcs (series or parallel) that may lead to fires and quickly de-energize the circuit, providing enhanced safety in branch circuits.
Start free practice for Electrician Red Seal
150 questions · no signup required · 40 free questions per day
More about Electrician Red Seal
Related Questions
- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
- During a renovation of a commercial kitchen, an electrician needs to replace an old single-phase, 240 V, 5 kW
- A commercial kitchen is being renovated, and several new 4 kW, 208 V, single-phase electric ovens are being in
- What is the minimum working space depth required in front of an electrical panel rated 200 A, 120/240 V, locat
- A Red Seal electrician is setting up temporary power for a construction site. The main temporary service is a
- A new industrial facility requires a 600 V, three-phase, 150 A feeder to supply a motor control centre. The co
More for Electrician Red Seal candidates
Practice tests
Question explanations
- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
- During a renovation of a commercial kitchen, an electrician needs to replace an old single-phase, 240 V, 5 kW
- A commercial kitchen is being renovated, and several new 4 kW, 208 V, single-phase electric ovens are being in
- What is the minimum working space depth required in front of an electrical panel rated 200 A, 120/240 V, locat
Ready to practice?
Free, no signup required. Build a wrong-question list as you go.
Start Free Electrician Red Seal Practice →Related courses
Other Canadian certifications candidates often prepare for alongside this one.