Title 30

PART 77 SUBPART J

Subpart J - Low- and Medium-Voltage Alternating Current Circuits

• 30 U.S.C. 811.
• 36 FR 9364, May 22, 1971, unless otherwise noted.

30:1.0.1.12.38.10.220.1	SECTION 77.900	77.900 Low- and medium-voltage circuits serving portable or mobile three-phase alternating current equipment; circuit breakers.
30:1.0.1.12.38.10.220.2	SECTION 77.900-1	77.900-1 Testing, examination, and maintenance of circuit breakers; procedures.
30:1.0.1.12.38.10.220.3	SECTION 77.900-2	77.900-2 Testing, examination, and maintenance of circuit breakers; record.
30:1.0.1.12.38.10.220.4	SECTION 77.901	77.901 Protection of low- and medium-voltage three-phase circuits.
30:1.0.1.12.38.10.220.5	SECTION 77.901-1	77.901-1 Grounding resistor; continuous current rating.
30:1.0.1.12.38.10.220.6	SECTION 77.902	77.902 Low- and medium-voltage ground check monitor circuits.
30:1.0.1.12.38.10.220.7	SECTION 77.902-1	77.902-1 Fail safe ground check circuits; maximum voltage.
30:1.0.1.12.38.10.220.8	SECTION 77.902-2	77.902-2 Approved ground check systems not employing pilot check wires.
30:1.0.1.12.38.10.220.9	SECTION 77.902-3	77.902-3 Attachment of ground conductors and ground check wires to equipment frames; use of separate connections.
30:1.0.1.12.38.10.220.10	SECTION 77.903	77.903 Disconnecting devices.
30:1.0.1.12.38.10.220.11	SECTION 77.904	77.904 Identification of circuit breakers.
30:1.0.1.12.38.10.220.12	SECTION 77.905	77.905 Connection of single-phase loads.
30:1.0.1.12.38.10.220.13	SECTION 77.906	77.906 Trailing cables supplying power to low-voltage mobile equipment; ground wires and ground check wires.

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