As a general rule in the National Electrical Code (NEC), the ampere rating of the overcurrent device (fuse or breaker) must not be less than the ampacity of the conductor.
Please enter your information below to subscribe to ELECTRICAL CONTRACTOR's monthly e-newsletter.
© 2003 - 2015. All Rights Reserved.Electrical Contractor: 3 Bethesda Metro Center, Suite 1100, Bethesda, MD. 20814-5372 | Phone: 301.657.3110 | Fax: 301.215.4501