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// CODE SNIPPET

314.3 Nonmetallic Boxes

National Electrical Code 2020 of Minnesota > 3 Wiring Methods and Materials > 314 Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; And Handhole Enclosures > 314.3 Nonmetallic Boxes
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Nonmetallic boxes shall be permitted only with open wiring on insulators, concealed knob-and-tube wiring, cabled wiring methods with entirely nonmetallic sheaths, flexible cords, and nonmetallic raceways.
Exception No. 1: Where internal bonding means are provided between all entries, nonmetallic boxes shall be permitted to be used with metal raceways or metal-armored cables.
Exception No. 2: Where integral bonding means with a provision for attaching an equipment bonding jumper inside the box are provided between all threaded entries in nonmetallic boxes listed for the purpose, nonmetallic boxes shall be permitted to be used with metal raceways or metal-armored cables.

Related Code Sections


(D) Wiring and Protection, Nonmetallic Boxes
One or more equipment grounding conductors brought into a nonmetallic outlet box shall be arranged such that a connection can be made to any fitting ...
National Electrical Code 2020 of Minnesota > 2 Wiring and Protection > 250 Grounding and Bonding > 250.148 Continuity of Equipment Grounding Conductors and Attachment in Boxes > (D) Nonmetallic Boxes
314.3 Wiring Methods and Materials, Nonmetallic Boxes
Nonmetallic boxes shall be permitted only with open wiring on insulators, concealed knob-and-tube wiring, cabled wiring methods with entirely ...
National Electrical Code 2020 of Minnesota > 3 Wiring Methods and Materials > 314 Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; And Handhole Enclosures > 314.3 Nonmetallic Boxes
(A) Special Occupancies, Nonmetallic Boxes
Nonmetallic boxes shall be permitted only with nonmetallic cable or nonmetallic raceways ...
National Electrical Code 2020 of Minnesota > 5 Special Occupancies > 550 Mobile Homes, Manufactured Homes, and Mobile Home Parks > 550.15 Wiring Methods and Materials > (A) Nonmetallic Boxes
(C) Special Occupancies, Nonmetallic Boxes
Nonmetallic boxes shall be acceptable only with nonmetallic-sheathed cable or nonmetallic raceways ...
National Electrical Code 2020 of Minnesota > 5 Special Occupancies > 551 Recreational Vehicles and Recreational Vehicle Parks > 551.47 Wiring Methods > (C) Nonmetallic Boxes
(C) Special Occupancies, Nonmetallic Boxes
Nonmetallic boxes shall be acceptable only with nonmetallic-sheathed cable or nonmetallic raceways ...
National Electrical Code 2020 of Minnesota > 5 Special Occupancies > 552 Park Trailers > 552.48 Wiring Methods > (C) Nonmetallic Boxes
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