Still need the flexibility of a door-mounted breaker? Need an add-on extension box to mount receptacles for easy access? Got holes prepped you won’t be using yet? Then the BOSS Panel Hardware can solve all of your problems. The BOSS C-200 series allows you to mount molded case (FD series) or unit mount (QOU series) breakers and maintain a NEMA 4 rating. Clearly marked ON/OFF eliminates any confusion in field service, and a lockout tab keeps everyone safe. And isn’t that what it’s all about?