it is 13/16\ in diameter
: HOM220CAFI / Product Name: SQUARE D HOM220CAFI N 20A 240V 2P NEW / Amps: 20 / Volts: 240 / Poles: 2 / AIC: Arc Fault
UBIP220: Brand: Pushmatic
The 2014 National Electrical Code (NEC) now requires both Arc Fault and Ground Fault protection on kitchen and laundry circuits
Plug In Circuit Breaker 1P 40 Amp 120/240VAC/48VDC it is 13/16\ in diameter' Plug In Circuit Breaker, Amps 40, Number of Poles 1, Circuit Breaker Type Standard, AC Voltage Rating 120 240VAC, DC Voltage Rating 48VDC, For Use With QO Load Centers and NQOD Panelboards, Series QO, Terminal Connection Screw Clamp, Min. Wire Size 8 AWG, Max. Wire Size 2 AWG, Length 3. 00 In., Width 0. 75 In., Depth 2. 91 In., Standards UL Listed, CSA Certified, HACR, Max. AIR Rating 10kA '