R 408.41730
R 408.41730 Circuit protection.
Cite as Mich. Admin. Code R 408.41730
Rule 1730. (1) Circuit protection shall be provided by fuses or circuit breakers for
each feeder and branch circuit and shall be based on the current carrying capacity of
the conductors and power load.
(2) A fuse puller shall be used to install or remove a cartridge fuse when 1 or more
terminals are energized.
(3) A circuit protection device shall not be placed in a grounded circuit except
where the device simultaneously opens both the ground and energized circuit.
(4) Circuit protection in existing installations shall not be changed to increase the
load in excess of the load rating of the conductor or equipment.