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NEC Guidelines for Fire Pump Wiring and Electrical Protection

NEC Guidelines for Fire Pump Wiring and Protection

NEC Guidelines for Fire Pump Wiring and Protection

(D) Pump Wiring

Wiring from the controllers to the pump motors must be installed in one of the following methods:

  • Rigid metal conduit
  • Intermediate metal conduit
  • Electrical metallic tubing
  • Liquitight flexible metal conduit
  • Liquitight flexible nonmetallic conduit
  • Listed Type MC cable with an impervious covering
  • Type MI cable

Electrical connections at motor terminal boxes must be made with a listed means of connection. Twist-on, insulation-piercing–type, and soldered wire connectors are not permitted for this purpose.

(E) Loads Supplied by Controllers and Transfer Switches

The fire pump controller and fire pump power transfer switch, if provided, should supply power to no load other than the fire pump for which it is intended.

(F) Mechanical Protection

All wiring from engine controllers and batteries must be protected from physical damage and installed according to the manufacturer's instructions for both the controller and engine.

Note: Adherence to these guidelines ensures proper protection and compliance with NEC standards.

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