View all text of Subpart 111.40 [§ 111.40-1 - § 111.40-15]
§ 111.40-15 - Overcurrent device.
The total load on any overcurrent device located in a panelboard must not exceed 80 percent of its rating if, in normal operation, the load will continue for 3 hours or more; except if the assembly, including the overcurrent device, is rated for continuous duty at 100% of its rating.