Standard By:Underwriters Laboratories, 05/30/2014

Published:2014-05-30

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Fire Test of Plastic Water Distribution Plumbing Pipe for Visible Flame and Smoke Characteristics

UL 2846

Scope

This is a test method for determining values of flame propagation distance and optical smoke density for individual pairs of plastic plumbing pipes for distribution of potable water that can be installed in ducts, plenums, and other spaces used for environmental air.

This test method addresses pipe sizes 4 inc. and less in diameter.

This test method does not cover plastic pipes when installed adjacent (side to side) in quantities greater than two.

This test method does not cover the construction requirements for plastic plumbing pipe for pressure or other performance requirements.