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Securing and Supporting EMT

What are the requirements for supporting EMT (Electrical Metallic Tubing) when using it to install fire alarm cabling?  The requirements for supporting EMT is the same as if installing 120V wiring.  The NEC requires that EMT be supported withing 3 feet of termination, and at intervals not exceeding 10 feet; regardless of the type of cabling in the raceway.  Below is an installation using EMT to house fire alarm cabling (data) in a basement of a low-rise residential unit.

 

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