240.4(B) - The "Round-Up" Rule

Explanation to help in understanding NEC 240.4(B) "The Round-Up Rule" for conductor protection, in which I also reference T-310.16, 240.4(D), and T-240.6(A) from the 2020 NEC.

• #education
• #nec_2404b
• #2404b
• #2404b
• #round_up_rule
• #round_up_rule
• #2404_round_up_rule
• #oversize_ocpd_for_conductor
• #oversize_breaker_for_wire
• #oversize_fuse_for_wire
• #overcurrent_devices_rated_800_amperes_or_less