GE Q-Line THQL 20-Amp 1-Pole Combination Arc Fault Circuit Breaker - 71223239

• Use to detect and mitigate arc faults in both parallel and series wiring

• 2-Position push button test validates arc detection capability

• Quick make, quick break switch

• Trips to the center position

• Box type terminals

• Meets NEMA standards and ANSI certified, CSA and UL Listed

• Tin-plated copper stabs create a reliable, permanent and corrosion-resistant connection

• Calibration screw is cemented to prevent shifting

• Case is made of heat-resistant thermoset for stability and structural integrity

What our Experts Think

• Advanced Fire-Prevention Protection
  20A 1-pole breaker with combination AFCI technology, designed to detect both series and parallel arc faults that can cause electrical fires.
• Modern Residential Safety Upgrade
  Built to meet current electrical code requirements for bedrooms, living areas, and general-purpose 120V circuits requiring arc-fault protection.
• Fast & Intelligent Fault Detection
  Continuously monitors wiring conditions and instantly trips when dangerous arcing is detected, helping prevent overheating and fire hazards.
• Quick-Reset “Center Trip” Design
  Trips to a visible center position, making it easier to identify and reset after a fault event.
• Reliable GE Q-Line Construction
  Designed with durable thermoset housing and copper stabs, ensuring stable electrical connection and long-term performance.
• Built-In Test Function
  Includes a test button to verify arc-fault protection, supporting safe and routine maintenance checks.
• Professional Panel Compatibility
  Works with compatible GE/ABB Q-Line load centers, ensuring proper fit and UL-listed system integration.
• Expert Tip
  AFCI breakers can trip due to sensitive detection of wiring issues—proper installation and load balancing are critical for stable operation.

Q&A

Q: What does this circuit breaker do?
A: It protects a 20-amp, 1-pole circuit by detecting dangerous arc faults and shutting off power to help prevent electrical fires.

Q: What is a “combination arc fault” breaker?
A: It detects both series and parallel arc faults, offering broader protection than older AFCI types.

Q: Where is it typically used?
A: Common in residential circuits like bedrooms, living rooms, hallways, and other NEC-required AFCI locations.

Q: Does it provide overload and short-circuit protection too?
A: Yes, it still works as a standard thermal-magnetic breaker for overload and short-circuit protection, plus arc-fault detection.

Q: Is it compatible with GE panels?
A: Yes, it is designed for GE Q-Line / THQL load centers and compatible ABB/GE residential panels.

Q: How does it test or indicate faults?
A: It includes a push-button test function to verify arc-fault detection and a trip indicator that shows when it has tripped.

Q: Is installation simple?
A: It is a plug-in breaker, but installation should always be done by a licensed electrician due to safety and code requirements.

Q: Why choose this GE AFCI breaker?
A: It helps meet modern electrical code requirements by adding advanced fire-prevention protection in addition to standard breaker safety.

Maintenance Tips

• Test monthly: Press the TEST button to confirm arc-fault detection is working properly and the breaker trips correctly.
• Reset correctly after trip: Switch fully OFF then ON—never leave it in a middle position after a fault trip.
• Keep panel clean and dry: Prevent dust, insects, and moisture inside the load center to avoid false tripping or corrosion.
• Inspect wiring annually: Have a licensed electrician check for loose connections, overheating, or damaged insulation.
• Avoid circuit overload: Stay within the 20A rating to reduce heat stress and nuisance tripping.
• Watch for repeated trips: Frequent tripping may indicate wiring faults, damaged appliances, or arc issues—don’t ignore it.
• Check breaker seating: Ensure the breaker is firmly locked into the bus bar for stable contact.
• Use compatible GE/ABB panels only: Designed for GE Q-Line load centers to maintain safety certification and proper operation.
• Annual professional inspection: AFCI devices are safety-sensitive and benefit from yearly electrical system review.