Controls 5 a Fan. Rotate On/off; Rotate to Adjust Fan Speed. Fully Variable (For Use With Multiple Ceiling Paddle or Exhause Fans). Factory Set Minimum Speed
4.87 in Dia X 0.83 in Thick, for Rigid Conduit and Imc, Wire Range 14 to 1/0 Awg

• Special Features: 4.87 in Dia X 0.83 in Thick, for Rigid Conduit and Imc, Wire Range 14 to 1/0 Awg Controls 5 a Fan. Rotate On/off; Rotate to Adjust Fan Speed. Fully Variable (For Use With Multiple Ceiling Paddle or Exhause Fans). Factory Set Minimum Speed
• Material: Zinc