THQL1120AF THERMAL MAGNETIC TYPE; 1 INCH W X 2 3/8 INCH D X 3 9/32 INCH H SIZE; AL/ALC SERIES PANELBOARD, RESIDENTIAL LOAD CENTER USED ON; 14 TO 10 AWG (COPPER/ALUMINUM) WIRE SIZE; UL 489, UL 1699 APPROVAL; 120/240 VAC VOLTAGE RATING; 1 INCH PLUG IN MOUNTING; 10 KILOAMPERE INTERRUPTING RATING; 20 AMPERE CURRENT RATING; BOX TERMINAL TYPE; 1 POLES; ARC FAULT CIRCUIT INTERRUPTER CONSTRUCTION FEATURE; THQL MODEL