// CODE SNIPPET
(2) 133 Percent Insulation Level
JUMP TO FULL CODE CHAPTER
Cables shall be permitted to be applied in situations where the clearing time requirements of the 100 percent level category cannot be met and the faulted section will be de-energized in a time not exceeding 1 hour. Cable shall be permitted to be used in 100 percent insulation level applications where the installation requires additional insulation.
Related Code Sections
(2) Wiring Methods and Materials, 133 Percent Insulation Level
and the faulted section will be de-energized in a time not exceeding 1 hour. Cable shall be permitted to be used in 100 percent insulation level applications ...
National Electrical Code 2020 of Minnesota > 3 Wiring Methods and Materials > 311 Medium Voltage Conductors and Cable > 311.10 Constructions and Applications > (C) Thickness of Insulation for Shielded Insulated Conductors > (2) 133 Percent Insulation Level
(1) Wiring and Protection, Insulation Level
The minimum insulation level for neutral conductors of solidly grounded systems shall be 600 volts. Exception No. 1: For multigrounded neutral ...
National Electrical Code 2020 of Minnesota > 2 Wiring and Protection > 250 Grounding and Bonding > 250.184 Solidly Grounded Neutral Systems > (A) Neutral Conductor > (1) Insulation Level
(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
Section 604 Duct Systems, Insulation
Duct insulation shall conform to the requirements in Minnesota Rules, Chapter 1322 or 1323, as applicable ...
R402.2.2 [RE] Residential Energy Efficiency, Ceilings Without Attic Spaces
Where Section R402.1.1 would require insulation levels above R-30 and the design of the roof/ceiling assembly does not allow sufficient space ...
Minnesota Energy Code 2015 > 4 [RE] Residential Energy Efficiency > R402 Building Thermal Envelope > R402.2 Specific Insulation Requirements (Prescriptive) > R402.2.2 Ceilings Without Attic Spaces