A detailed test procedure is provided for determining the ampacity derating factor in the following cable installation configurations: block-out or sleeve-type cable penetration fire stops; conduits covered with a protective material; tray covered with a protective material; cable directly covered or coated with a fire-retardant material; and free-air drops enclosed with a protective material.
Working Group Details
- IEEE Power and Energy Society
- Standards Committee
- PE/IC - Insulated Conductors
- Working Group
D13W/P848_WG - Standard Procedure for the Determination of the Ampacity Derating Factor For Fire-Protected Cable Systems
- IEEE Program Manager
- Ron Hotchkiss
- Working Group Chair
- Ajit Gwal
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