Code Q&A: Use of Flexible Cords

NEC rules for using flexible cords to connect appliances

Q. What is the general rule that limits the use of flexible cords for the connection of appliances?

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A. Flexible cords are permitted to facilitate frequent interchange, or to prevent the transmission of noise and vibration [400.7(A)(6) and 400.7(A)(7)] (2)] and to facilitate the removal of appliances fastened in place, where the fastening means and mechanical connections are specifically designed to permit ready removal [40

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