4 FAQs about Refrigerated generator cabinet standards

What are the NFPA requirements for a generator room?

Minimum clearance requirements: NFPA 110 recommends a minimum of three feet at the front and sides of the generator for access, while NFPA 37 calls for five feet for clearance from the opening, combustible walls, and for general access. A thoughtful generator room layout considers the flow of people, equipment, and airflow. Assess the following:

What are the requirements for a generator room?

To meet generator room requirements, consider: Doorway sizing: Doors should be wide enough for generator equipment, tanks, and parts to pass through. The minimum standard is 36 inches. Clearance for maintenance: Ensure that all serviceable parts of the generator have at least 36 inches of clearance in front.

What is the minimum clearance for a generator room?

The minimum standard is 36 inches. Clearance for maintenance: Ensure that all serviceable parts of the generator have at least 36 inches of clearance in front. Egress and Americans with Disabilities Act (ADA) compliance: Every generator room must include at least one unobstructed exit path.

What are the requirements & standards for engine-generators?

This guideline defines the requirements and standards for design of engine-generators and associated system components. The guideline covers basic requirements for design, system components, controls, natural gas fuel systems, exhaust systems, automatic transfer switches (ATSs), room construction, outdoor enclosures and installation.

View/Download Refrigerated generator cabinet standards [PDF]

PDF version includes complete article with source references. Suitable for printing and offline reading.