Standard 1247, Edition 5
UL 1247

Standard for Diesel Engines for Driving Stationary Fire Pumps

UL CSDS Proposal Edition 5 Published Date: November 19, 2010 Last Revision: August 12, 2020

Summary of Topics b1247_5_20101119_sum.html

Subject 1247

Bulletin Dated: November 19, 2010


The following changes in requirements to the Standard for Diesel Engines for Driving Stationary Fire Pumps, UL 1247, are being proposed:

Revisions to Update and Align Requirements with the Most Recent Edition of Standard for the Installation of Stationary Pumps for Fire Protection, NFPA 20.

Revision to Over-current Protection Criteria

Revisions to Include Additional Details for Starting System Cranking Tests

Revisions to Update ECM Testing and Verify Functioning of the Automatic ECM Switching Feature

Revisions To Clarify Requirements And Update Test Methods

Revisions to the Terminal Block Arrangement and Associated Text.

Revised Requirements for an Engine Factory Equipped with a Fire Pump Controller and Investigated as a Complete Package

Prevention of Engine Lubrication Oil Contamination With Diesel Fuel

Back to Standard 1247, Edition 5

The cost to purchase this Standard varies depending on whether you are ordering a hardcopy, PDF or combination of the two. We also offer two different types of subscriptions: a one year and a three year.

You will be able to choose your purchase options on the following pages.


You have one or more subscriptions that will expire soon.


You have one or more licenses to assign


Additional information required

To serve you better, please update your account details.

Featured Standards

Recently Published

Coming Soon

UL 48
Electrical Signs
Revision Pages

Meters for Flammable and Combustible Liquids and LP-Gas
Revision Pages

UL 155
Tests for Fire Resistance of Vault and File Room Doors
Revision Pages

UL 310
Electrical Quick-Connect Terminals
New Edition

UL 19
Lined Fire Hose and Hose Assemblies
Revision Pages

UL 104
Elevator Door Locking Devices and Door or Gate Closed Detection Means
New Edition

UL 217
Smoke Alarms
Revision Pages

UL 294
Access Control System Units
Revision Pages