Generally, you must install an overcurrent protection device (OCPD) at the point of conductor supply [240.21]. Under seven conditions described in Sec. 240.21(A) through (H) of the National Electrical Code (NEC), you don’t have to. The one condition that takes up most of that space is when you have feeder taps [240.21(B)]. This has five variations by type of application. Do you know what they are?
1. Taps not over 10 ft long.