Like the compressor in a refrigerator or the.
													
																	Garage door amperage draw. 
									
	
		
	
																	Most garage door openers use 120 volt electricity from a wall outlet located in the garage and draw about 4 amps of current when they are in operation. 
																	It depends on the voltage of the motor and whether it is single phase or 3 phase. 
																	Thus watts volts amps. 
																	Amps x volts watts. 
															
													
									
	
		
	
																	Wait do i need a dedicated circuit for a garage door opener. 
																	If your opener has a 200 watt lighting system for example the lights alone will draw just under 2 amps. 
																	And the number of openers can cause this number to vary. 
																	Gcl t j h fire door operator 60hz. 
															
													
									
	
		
	
																	A 120 vac 2hp single phase motor draws almost 20 amps a 240 vac single phase 2hp motor draws about 10 amps. 
																	What kind of breaker should be attached to a garage door opener.