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// CODE SNIPPET

(E) Intrinsic Safety

National Electrical Code 2020 of Minnesota > 5 Special Occupancies > 500 Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2 > 500.7 Protection Techniques > (E) Intrinsic Safety
JUMP TO FULL CODE CHAPTER
This protection technique shall be permitted for equipment in Class I, Division 1 or 2; or Class II, Division 1 or 2; or Class III, Division 1 or 2 locations. The provisions of Articles 501 through 503 and Articles 510 through 516 shall not be considered applicable to such installations, except as required by Article 504, and installation of intrinsically safe apparatus and wiring shall be in accordance with the requirements of Article 504.

Related Code Sections


(E) Special Occupancies, Intrinsic Safety
as required by Article 504, and installation of intrinsically safe apparatus and wiring shall be in accordance with the requirements of Article 504 ...
National Electrical Code 2020 of Minnesota > 5 Special Occupancies > 500 Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2 > 500.7 Protection Techniques > (E) Intrinsic Safety
(C) Special Occupancies, Intrinsic Safety
This protection technique shall be permitted for equipment in Zone 20, Zone 21, and Zone 22 locations for which it is identified ...
National Electrical Code 2020 of Minnesota > 5 Special Occupancies > 506 Zone 20, 21, and 22 Locations for Combustible Dusts or Ignitible Fibers/Flyings > 506.8 Protection Techniques > (C) Intrinsic Safety
(C) Special Occupancies, Intrinsic Safety "i"
This protection technique shall be permitted for apparatus and associated apparatus for Zone 0, Zone 1, or Zone 2 locations for which it is listed ...
National Electrical Code 2020 of Minnesota > 5 Special Occupancies > 505 Zone 0, 1, and 2 Locations > 505.8 Protection Techniques > (C) Intrinsic Safety "i"
(B) Special Occupancies, Wiring
with the wording "Intrinsic Safety Wiring" or equivalent. The labels shall be located so as to be visible after installation and placed so that they may ...
National Electrical Code 2020 of Minnesota > 5 Special Occupancies > 504 Intrinsically Safe Systems > 504.80 Identification > (B) Wiring
(A) Special Occupancies, Intrinsically Safe Apparatus, Enclosures, and Raceways
(Classified) Locations Instrumentation — Part 1: Intrinsic Safety ...
National Electrical Code 2020 of Minnesota > 5 Special Occupancies > 504 Intrinsically Safe Systems > 504.50 Grounding > (A) Intrinsically Safe Apparatus, Enclosures, and Raceways
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