Code Quiz: Motor and Controller Disconnecting Means

Dec. 18, 2014
NEC guidelines on motor circuit applications

With respect to a motor circuit application, the disconnecting means at the controller location is “in sight from” and 15 ft from the controller. The disconnecting at the motor location is “in sight from” and 20 ft from the motor. Does this installation comply with the 2014 NEC?

Find the Answer

Answer: No

As outlined in Sec. 430.107, “One of the disconnecting means shall be readily accessible to either the controller or the motor or driven machinery.” In this example, neither disconnect is readily accessible.

Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].

About the Author

Steven Owen

Voice your opinion!

To join the conversation, and become an exclusive member of EC&M, create an account today!

Sponsored Recommendations

Electrical Conduit Comparison Chart

CHAMPION FIBERGLASS electrical conduit is a lightweight, durable option that provides lasting savings when compared to other materials. Compare electrical conduit types including...

Considerations for Direct Burial Conduit

Installation type plays a key role in the type of conduit selected for electrical systems in industrial construction projects. Above ground, below ground, direct buried, encased...

How to Calculate Labor Costs

Most important to accurately estimating labor costs is knowing the approximate hours required for project completion. Learn how to calculate electrical labor cost.

8 Types of Electrical Conduit and Their Uses

Electrical conduit is a tube or raceway used to house and protect electrical wires within a building or structure. From data centers to underground subways to ports and bridges...