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(A) Openings to Be Closed
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Openings through which conductors enter shall be closed in an approved manner.
Related Code Sections
(A) Wiring Methods and Materials, Openings to Be Closed
Openings through which conductors enter shall be closed in an approved manner ...
National Electrical Code 2020 of Minnesota > 3 Wiring Methods and Materials > 312 Cabinets, Cutout Boxes, and Meter Socket Enclosures > 312.5 Cabinets, Cutout Boxes, and Meter Socket Enclosures > (A) Openings to Be Closed
(A) Wiring Methods and Materials, Openings to Be Closed
Openings through which conductors enter shall be closed in a manner identified for the application ...
National Electrical Code 2020 of Minnesota > 3 Wiring Methods and Materials > 314 Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; And Handhole Enclosures > 314.17 Conductors Entering Boxes, Conduit Bodies, or Fittings > (A) Openings to Be Closed
5604.7.5.1 Explosives and Fireworks, Storage of Opened Packages
Packages of explosive materials that have been opened shall be closed before being placed in a magazine ...
Minnesota Fire Code 2015 > 56 Explosives and Fireworks > 5604 Explosive Materials Storage and Handling > 5604.7 Operation > 5604.7.5 Unpacking and Repacking Explosive Materials > 5604.7.5.1 Storage of Opened Packages
5604.7.5.1 Explosives and Fireworks, Storage of Opened Packages
Packages of explosive materials that have been opened shall be closed before being placed in a magazine ...
2020 Minnesota State Fire Code > 56 Explosives and Fireworks > 5604 Explosive Materials Storage and Handling > 5604.7 Operation > 5604.7.5 Unpacking and Repacking Explosive Materials > 5604.7.5.1 Storage of Opened Packages
(2) Equipment for General Use, Operating Characteristics
tripping, independent of control power Be release free (trip free) If capable of being opened or closed manually while energized, main contacts ...
National Electrical Code 2020 of Minnesota > 4 Equipment for General Use > 490 Equipment Over 1000 Volts, Nominal > 490.21 Circuit-Interrupting Devices > (A) Circuit Breakers > (2) Operating Characteristics