Fire Alarm

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jumper

Senior Member
shall be lockable in the close position the breaker feeding the Fire Alarm Panel?

Are you asking if it is permissible or required?

For example:

II. Non?Power-Limited Fire Alarm (NPLFA) Circuits
760.41 NPLFA Circuit Power Source Requirements.
(A) Power Source. The power source of non?power-limited
fire alarm circuits shall comply with Chapters 1 through 4, and
the output voltage shall be not more than 600 volts, nominal.
The fire alarm circuit disconnect shall be permitted to be secured
in the ?on? position.
 
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