Mike Dolt Enterprises
Mike Dolt Enterprises
User: kendrichchan, Location: CA
Asked on: Thursday, April 14, 2011 at 10:30 pm EDT
Answered on: Tuesday, May 14, 2024 at 4:13 am EDT
Question: wht is the appropriate action if the label on a motor controller or the nameplate on other electical equipment is marked "maximum fuse size"?where in Nec code to support this action?
Appropriate Action
If the label on a motor controller or the nameplate on other electrical equipment is marked "maximum fuse size," the following action is appropriate:
Fuse the circuit according to the marked maximum fuse size.NEC Code Support
This action is supported by the following National Electrical Code (NEC) requirements:
Article 430.92
"Motor Controllers shall be marked with the maximum fuse size that is suitable for protecting the controller."*
Article 110.4: "Equipment shall be used in accordance with any instructions included in the listing or labeling."By following these requirements, the installer can ensure that the motor controller or other electrical equipment is properly protected from overcurrents, reducing the risk of electrical fires and equipment damage. Flag for review