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IEEE DRAFT 848 : D17 JAN 96
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DRAFT STANDARD PROCEDURE FOR THE DETERMINATION OF THE AMPACITY DERATING OF FIRE PROTECTED CABLES
23-07-2013
12-01-2013
Section
1 Overview
1.1 Purpose
1.2 Scope
2 References
3 Definitions
4 Test Description
4.1 General
4.1.1 Applicability
4.1.2 Method of Testing
4.2 Test Specimens - Protected Cable Systems
4.2.1 Cable Selection
4.2.2 Cable fill
4.2.3 Conduit
4.2.4 Tray
4.2.5 Free-Air Drop
4.2.6 Fire Protective Material
4.3 Test Specimens - Cable Penetration Fire Stop
4.3.1 Cable Selection
4.3.2 Cable Fill
4.3.3 Conduit
4.3.4 Tray
4.3.5 Floor/Wall Assembly
4.3.6 Fire Stop Design
4.4 Test Facility
4.4.1 Test Enclosure
4.4.2 Test Specimen Installation
4.4.2.1 Tray
4.4.2.2 Conduit
4.4.2.3 Free-Air Drop
4.4.2.4 Cable Penetration Fire Stops
4.4.2.5 Orientation
4.4.2.6 Installation of Fire Protective
Systems
4.4.3 Thermocouple Selection and Placement
4.5 Test Procedure
4.5.1 Baseline Evaluation
4.5.2 Current Source
4.5.3 Temperature Measurement
4.5.4 Enclosure Temperature
5 Evaluation of Test Results
5.1 Normalizing Test Results
5.2 Ampacity Derating Factor
6 Documentation of Testing
7 Bibliography
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