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Standard 1203, Edition 5

Standard for Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations

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Standard 1203, Edition 5 Edition Date: June 26, 2015
Summary of Topics b1203_5_20150626_sum.html

Subject 1203

Bulletin Dated: June 26, 2015

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations, UL 1203, are being proposed:

1. Revisions to 10.2.1 and Section 34

2. Revisions to 15.1 and Section 24 to align UL 1203 with the current ferrous metal electrical enclosure corrosion protection requirements in UL 50E

Back to Standard 1203, Edition 5

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