Understanding the IEEE 1202/FT4 70,000 BTU/hour Flame Test for Wire & Cable

Written By: Charlie Barber

Posted August 17, 2023

Electrician Sq

In today's highly interconnected world, the safety and reliability of electrical systems are of paramount importance. Wire and cable manufacturers are required to adhere to stringent standards to ensure that their products can withstand harsh conditions, including exposure to flames. One such standard that assesses the fire-resistant properties of wires and cables is the IEEE 1202/FT4 70,000 BTU/hour flame test. Whether it’s tray cable, THHN, or any other wire & cable product, this flame test helps ensure that the wires and cables used in various applications, meet high safety standards.

The Need for Fire-Resistant Wires and Cables

Wires and cables are integral components of electrical systems that transmit power and signals. In environments where fire hazards are a concern, such as industrial facilities, commercial buildings, and transportation systems, it is crucial that these wires and cables do not contribute to the spread of flames. Fire-resistant wires and cables help prevent fires from escalating, providing valuable time for occupants to evacuate and for emergency responders to manage the situation effectively.

The IEEE 1202/FT4 flame test is a standard method for evaluating the fire-resistant characteristics of wires and cables. It assesses the cables' ability to resist flames and reduce the spread of fire, ensuring that they do not contribute to the ignition or propagation of fires. This test is commonly used in North America and is recognized as a crucial requirement for wire and cable manufacturers.

This test involves exposing a vertically mounted cable sample to a controlled flame source for a specified duration. The flame source generates a heat output of 70,000 BTU (British Thermal Units) per hour. The cable sample is held at an angle to simulate realistic installation conditions, allowing the flame to directly impact the cable's outer jacket.

The IEEE 1202/FT4 70,000 BTU/hour flame test plays a crucial role in evaluating the fire-resistant properties of wires and cables. By subjecting cable samples to controlled flame exposure, this test helps ensure that cables can withstand flames and prevent the rapid spread of fire. Ultimately, the test contributes to creating safer environments in industrial, commercial, and residential settings, bolstering the reliability and resilience of electrical systems.

At DWC, Tray Cable, THHN, and all other products adhere to the strict guidelines put forth by UL. If you have questions regarding the IEEE 1202/FT4 flame test or any other technical data among our wire & cable products, please contact your dedicated DWC Account Manager today.