Standard 1247, Edition 5
UL 1247

Standard for Diesel Engines for Driving Stationary Fire Pumps

UL CSDS Proposal Edition 5 Published Date: July 26, 2019 Last Revision: August 12, 2020


Summary of Topics b1247_5_20190726_sum.html

Subject 1247

Bulletin Dated: July 26, 2019


The following topics for the Standard for Diesel Engines for Driving Stationary Fire Pumps, UL 1247, are being recirculated:

1. Generator or Alternator Output Current

2. Revisions to Clarify Requirements and Update Test Details

3. Revision to Over-current Protection Criteria

4. Revision to ECM and Switching Equipment Criteria

5. High Engine Temperature Alarm Delay on Engine Restarts

6. Electrically Operated Speed Control for Mechanical Fuel Injected Engines

Back to Standard 1247, Edition 5

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