GE Q-Line® Ground Fault Circuit Breaker, Type THQB Miniature Molded Case Self-Test, 120 VAC, 20 A, 10 kA Interrupt, TEY Frame, Fixed Thermal Magnetic/LIG/Non-Interchangeable Trip, 1 Pole, 1 Phase, 14 to 8 AWG, 12 to 8 AWG Wire, Bolt-On Mount, 3-9/32 in H x 1 in W x 2-3/8 in D