30 C.F.R. · Mineral Resources
30 C.F.R. § 75.601.3

Short circuit protection; dual element fuses; current ratings; maximum values.

Title 30 C.F.R. ● ACTIVE Primary Source
Regulatory Text

30 C.F.R. § 75.601.3 — Short circuit protection; dual element fuses; current ratings; maximum values.

§ 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 cable Ampacity Max. fuse rating Two conductor cable Ampacity Max. fuse rating 14 15 15 12 20 20 10 25 25 8 60 60 50 50 6 85 90 65 70 4 110 110 90 90 3 130 150 105 110 2 150 150 120 125 1 170 175 140 150 1/0 200 200 170 175 2/0 235 250 195 200 3/0 275 300 225 225 4/0 315 350 260 300 250 350 350 285 300 300 395 400 310 350 350 445 450 335 350 400 480 500 360 400 450 515 600 385 400 500 545 600 415 450

Source: ecfr.gov · govinfo.gov — public domain Official Source ↗
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30 C.F.R. § 75.601.3
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The regulatory text of 30 C.F.R. § 75.601.3 is reproduced from the official Code of Federal Regulations as published by the Office of the Federal Register and the National Archives and Records Administration.
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