225.30(F) Documented Switching Procedures.

In MA, additional feeders are permitted to supply large capacity multibuilding industrial or institutional installations under single management where documented safe switching procedures are established and maintained for disconnection.
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In MA, additional feeders are permitted to supply large capacity multibuilding industrial or institutional installations under single management where documented safe switching procedures are established and maintained for disconnection.

MA amendments.

225.30(F). Revise to read as follows:

(F) Documented Switching Procedures. Additional feeders or branch circuits shall be permitted to supply large capacity multibuilding industrial or institutional installations under single management where documented safe switching procedures are established and maintained for disconnection.

225.31 Exception No. 1. Revise to read as follows:

Exception No. 1: For large capacity multibuilding industrial or institutional installations under single management where documented safe switching procedures are established and maintained for disconnection, and where the disconnection is monitored by qualified individuals, the disconnecting means shall be permitted to be located elsewhere on the premises.

Click here to see the Massachusetts amendments to the 2023 NEC®.

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225.30(F) Documented Switching Procedures.

Below is a Real Question from our Electrical Continuing Education Courses for Electrical License Renewal:

Which of the following is true regarding multiple feeders supplying a building in Massachusetts?

A: For small capacity institutional installations, the disconnecting means shall be permitted to be located elsewhere on the premises.
B: One option would permit additional feeders to supply any building under multiple management companies.
C: One option would permit additional feeders to supply large capacity multibuilding industrial installations under single management where documented safe switching procedures are established and maintained for disconnection.
D: For small capacity commercial installations, the disconnecting means shall be permitted to be located elsewhere on the premises.
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