Telect offers a package of 10 fork terminals (P/N 146953) that fit the HPGMTxx family of panels, and can be used with 12-10 AWG wiring.
For 16-14 AWG wiring, you can use the Molex fork terminal P/N 19115-0024. For 22-18 AWG wiring, you can use the Molex fork terminal P/N 19115-0009 |