30 C.F.R. § 75.601-3

Current through September 30, 2024
Section 75.601-3 - Short circuit protection; dual element fuses; current ratings; maximum values

Dual element fuses having adequate current-interrupting capacity shall meet the requirements for short circuit protection of trailing cables as provided in § 75.601 , however, the current ratings of such devices shall not exceed the maximum values specified in this section:

Conductor size (AWG or MGM)Single conductor cableTwo conductor cable
Ampacity Max. fuse rating Ampacity Max. fuse rating
141515
122020
102525
860605050
685906570
41101109090
3130150105110
2150150120125
1170175140150
1/0200200170175
2/0235250195200
3/0275300225225
4/0315350260300
250350350285300
300395400310350
350445450335350
400480500360400
450515600385400
500545600415450

30 C.F.R. §75.601-3