IEEE 1349-2001

IEEE 1349-2001 is a technical guide for applying electric motors in Class I, Division 2 hazardous (classified) locations. It focuses on how motor selection, installation, and operating conditions should be considered when flammable gases or vapors may be present under abnormal conditions. In power, energy, and industrial applications, this guidance matters because it helps engineers and buyers align equipment choices with safer, more consistent hazardous-area practice.

Overview of IEEE 1349-2001

This standard addresses the application of electric motors in environments classified as Class I, Division 2, where ignitable concentrations are not normally present but may appear under certain conditions. IEEE 1349-2001 provides guidance that can support equipment specification, installation planning, and engineering review for these locations. Its technical context is especially relevant for facilities that rely on motors near process equipment, enclosed systems, or areas with intermittent vapor exposure, where careful application helps reduce operational and compliance risk.

Typical use cases

IEEE 1349-2001 is commonly consulted when selecting motors for process areas in oil, gas, chemical, and other industrial facilities that include Class I, Division 2 zones. It may also be used during specification reviews for pumps, compressors, fans, conveyors, and similar driven equipment installed near hazardous atmospheres. Engineers, maintenance teams, and procurement staff can use the guidance to compare motor application requirements, confirm suitability for the location, and support safer equipment decisions across new projects or upgrades.

Why it matters

Applying motors correctly in classified locations is important for safety, reliability, and consistency. IEEE 1349-2001 helps reduce uncertainty in design and purchasing by giving a focused reference for hazardous-area motor application. That can support better compliance decisions, clearer engineering documentation, and more consistent equipment selection across sites. For operators, it may also help lower the risk of misapplication, unplanned downtime, and avoidable review delays when motors are used in Division 2 environments.

• Guidance for Class I, Division 2 motor application
• Relevant to hazardous-area equipment selection
• Useful for industrial power and process systems
• Supports safer specification and review decisions
• Superseded technical reference in English