Log In Sign Up

NOTE: This is an unformatted excerpt from our online fire protection training library.

Class III Areas

could otherwise cause the areas to be classified

From NFPA 664, Chapter 5:

Chapter 5 Electrical Equipment

5-1 Electrical Wiring and Equipment.

5-1.1 All electrical wiring and equipment shall comply with the requirements of NFPA 70, National Electrical Code.

5-1.2* In local areas of the plant where a hazardous quantity of dust accumulates or is present in suspension in the air, all electrical equipment and installations in those local areas shall comply with Article 502 or Article 503 of NFPA 70, National Electrical Code, as applicable.
NOTE: This is an unformatted excerpt from our online fire protection training library.

Contact Us:

Please fill in the fields below:

    Privacy Policy
    Please choose all that interest you.

    Contact Customer Service at AcademySupport@jensenhughes.com or 800-930-9414 option 1.

    Our regular support hours are 9:00 AM to 5:00 PM, Monday through Friday, except holidays...