Active standard | Published: 24/12/2026

IEEE P848

IEEE Approved Draft Standard for Procedure for the Determination of the Ampacity Derating Factor for Fire-Protected Cable Systems

Available languages: English

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Detail information

Designation: IEEE P848

Publication date: 24/12/2026

Pages: 0

Country: International technical standard

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Anotation

Revision Standard - Active - Draft.
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 fire-retardant material; and free-air drops enclosed with a protective material.

ISBN: 979-8-8557-3705-9, 979-8-8557-3705-9
Number of Pages: 32
Product Code: STDUD29004, STDAPE29004
Keywords: ampacity derating factor, cable penetration fire stops, electrical separation wrap systems, fire-protected cable system, fire-protected conduits, IEEE 848
Category: Insulated Conductors
Draft Number: P848/D2a, Jun 2026 - UNAPPROVED DRAFT, P848/D2a, Jun 2026 - APPROVED DRAFT

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