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Standard 121201, Edition 9

Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations

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Standard 121201, Edition 9 Edition Date: March 08, 2019 $0.00
Summary of Topics b121201_9_20190308_sum.html

Subject 121201

Bulletin Dated: March 8, 2019

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Safety for Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations, UL 121201, are being proposed:

1. Clarifying the applicable Division 2 standards for luminaires, motors, heaters and trace heating cables in a similar manner as for battery-operated flashlights and lanterns.

2. Clarifying the protection methods for Class I and II, Division 2 and Class III requirements regarding when the UL AEx and CSA Ex Zone requirements, and when the UL 50 / UL 50E and CSA 94.1 / CSA 94.2 requirements, are applicable.

3. Revisions to add Electronic Medium for Required Instructions.

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