// CODE SNIPPET
(B) Insulated
JUMP TO FULL CODE CHAPTER
The grounded conductor shall be insulated for the maximum neutral voltage.
Informational Note: The maximum neutral voltage in a 3-phase wye system is 57.7 percent of the phase-to-phase voltage.
Related Code Sections
(A) Wiring and Protection, Insulation
The grounded conductor, if insulated, shall have insulation that is (1) suitable, other than color, for any ungrounded conductor of the same circuit ...
National Electrical Code 2020 of Minnesota > 2 Wiring and Protection > 200 Use and Identification of Grounded Conductors > 200.2 General > (A) Insulation
(A) Wiring and Protection, Insulation
Underground service conductors shall be insulated for the applied voltage. Exception: A grounded conductor shall be permitted to be uninsulated ...
National Electrical Code 2020 of Minnesota > 2 Wiring and Protection > 230 Services > 230.30 Installation > (A) Insulation
(B) Wiring and Protection, Insulated
The grounded conductor shall be insulated for the maximum neutral voltage. Informational Note: The maximum neutral voltage in a 3-phase wye system ...
National Electrical Code 2020 of Minnesota > 2 Wiring and Protection > 250 Grounding and Bonding > 250.187 Impedance Grounded Systems > (B) Insulated
(D) Wiring Methods and Materials, Insulated
Conductors not specifically permitted elsewhere in this Code to be covered or bare shall be insulated. Informational Note: See 250.184 ...
National Electrical Code 2020 of Minnesota > 3 Wiring Methods and Materials > 310 Conductors for General Wiring > 310.3 Conductors > (D) Insulated
322.112 Wiring Methods and Materials, Insulation
The entire flat cable assembly shall be formed to provide a suitable insulation covering all the conductors and using one of the materials recognized ...
National Electrical Code 2020 of Minnesota > 3 Wiring Methods and Materials > 322 Flat Cable Assemblies: Type FC > 322.112 Insulation