Single-phase, three-wire, 120/240 volt AC. (20) 1" spaces. One-piece interior removes and reinstalls easily. Full-length neutrals are easier to wire, reducing installation time and cost. Minimum 100 percent neutral terminations. Sturdy copper bus and galvanized box increase durability and reliability. Combination slotted/Robertson screws speed wiring. All holes are rated for 14-4 wire. 100 per cent rated split neutral on each side. Load centers accept Q Line circuit breakers, including GE's exclusive 1/2"
THQPs. 100-225 amp devices have removable closing cap. 22,000 AIC. 14" x 23" x 3-3/4".UL Listed.