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AC vs DC

What’s the difference between AC & DC or alternating current and direct current? 
Keep scrolling to find out!
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Since 1972

Serving Savannah, Georgia and the surrounding areas since 1972. Incorporated in 1975.

Alternating vs. Direct Current

“So it appears the War of the Currents may not be over yet. But instead of continuing in a heated AC vs. DC battle, it looks like the two currents will end up working parallel to each other in a sort of hybrid armistice.” Lantero, A. The War of the Currents: AC vs. DC Power.

Quick Facts on Alternating Current

  • Alternating current is electric current whose direction fluctuates. 
  • It was developed by Nikola Tesla. 
  • AC power is used in your home and workplaces. 
  • Equipment & home appliances use AC power.
  • Alternating current more efficient than DC power. 
  • AC power easily converts to low or high voltages and loses less voltage over long distances  

Quick Facts on Direct Current

  • Direct current is electric current that flows in one direction. 
  • It was developed by Thomas Edison
  • DC power is used for charging batteries & consumer electrics. 
  • Electric vehicles use direct current. 
  • Solar panels produce DC power.
  • Direct current doesn’t convert to higher or lower voltages easily.
  • It is more stable than AC. has a fun and interactive page all about Edison and Tesla.  check it our for videos, timelines, quizzes, and more about alternating and direct currents. 

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Rated 5 out of 5
August 17, 2022

Thank you Joyner Electric for responding to my electrical problem that I had. You where able to come out the same day and fix that problem that I had. Andrew was awesome, he was very professional and courteous. He explained to me about the warranty that I have with the work that was completed today. He was very knowledgeable and when it came to electrical work. If I ever have any issues with my panel box again I would definitely call Joyner Electric to make my repairs.

Darrell Brown

Response from Joyner Electric And Security

Darrell, we are so happy to hear you are happy with our work. We’ll be more than happy to help you out with any future electrical needs you may have.

Why Choose Joyner Electric and Security

Our purpose is to empower customers to keep them out of the dark by delivering expert electrical service.  We are professional, work efficiently, are committed to our work, we do the right thing, and think positively. 

  1. We guarantee our work. 
  2. We are the experts. 
  3. We communicate with our customers.  
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