Fire Rating For Electrical Room Doors

Closers would not be required regardless of.

Fire rating for electrical room doors.

Typically the main electrical room has walls fire rated at 1 hour. Vaults are definitely different from electrical rooms. You are correct that electrical vaults containing equipment with 600 amps or greaters must have at least 3 hour rated walls and 3 hour rated floors if there are any floors underneath the vault. The international building code and the national electrical code do not.

1 reply nort521 oct 18 2016 3 52 pm. In the united states nfpa 80 2019 5 2 4 requires that fire rated doors be inspected each year to confirm that the door is in good condition and that all of the required components work as required. Fire rated door annual inspection. The international building code and the national electrical code do not require fire partitions or fire doors for electrical rooms or closets that do not contain transformers.