111.103-1—Power ventilation systems except machinery space ventilation systems.
Each power ventilation system must have:
(2)
Grouped with the controls for every power ventilation system to which this section is applicable; and
(1)
As far as practicable from the control required by paragraph (a) and grouped with the controls for every power ventilation system to which this section is applicable; or
(2)
The circuit breakers for ventilation grouped on the main switchboard and marked, “In Case of Fire Trip to Stop Ventilation.”