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Standard 840, Edition 3

Standard for Insulation Coordination Including Clearances and Creepage Distances for Electrical Equipment

UL CSDS Proposal
Standard 840, Edition 3 Edition Date: August 12, 2011
Summary of Topics b0840_3_20110812_sum.html

Subject 840

Bulletin Dated: August 12, 2011


The following changes in requirements to the Standard for Safety Insulation Coordination Including Clearances and Creepage Distances for Electrical Equipment, UL 840, are being proposed:

1. Surge Protective Devices Used in Electrical Equipment

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