1. Kaufman, S., “PVC in Communications Cable”,Journal of Vinyl Technology, 1985.
2. National Electrical Code, National Fire Protection Association, Quincy, MA, 1990.
3. Standard Fire Tests of Limited-Smoke Cables (UL 1685), Underwriters Laboratories, Northbrook, IL, 1990.
4. Draft Standard for Measuring the Release Rates of Smoke, Corrosive Gases, and Heat of Wire and Cable for Use in Industrial and Commercial Occupancies, (P1202.1) The Institute of Electrical and Electronics Engineers, February 7, 1991.
5. Measurement of Smoke Density of Electric Cables Burning Under Defined Conditions, Part 1: Test Apparatus (IEC 1034-1), Part 2: Test Procedure and Requirements (IEC 1034-2), International Electrotechnical Commission, Geneva, 1991.