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ULC 511
- Standard for Lined Fire Hose for Interior Standpipes and Municipal and Industrial Fire-Protection Services (CAN/ULC S511-14)
- standard by Underwriters Laboratories of Canada, 2014
- Publisher: CAN/ULC
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These requirements apply to single and multiple jacketed lined fire hose of the following nominal inside diameter trade sizes: 38, 45, 50, 65, 75, 89, 100, 125 and 150 mm. These requirements do not cover couplings nor their method of attachment.