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How To Do You Measure the Quality of Your AC Power?

What is the best way to measure the quality of the AC power feeding your listening room? Is there a device you can plug into an outlet that will give you the voltage, frequency, the total amount of distortion relative to a perfect sine wave, etc.? Furthermore, how would you measure the ability of your AC main to deliver transient currents?
It seems like there may be a scenario where you could measure your power quality to be excellent but somewhere in the line you could have a loose or poorly made wiring connection which under heavy load (such as powerful bass notes) you could run into trouble with power delivery. In this scenario, an AC regenerator would not help you, or would help very little.

Just curious what methods people have come up with to systematically analyze their power and how they use those measurements to drive buying decisions or repair work, if needed.

Edit: My apologies for the title typo.
128x128mkgus

Showing 1 response by brunomarcs

brunomarcs's avatar
brunomarcs
240 posts
 
Hell,  20 years ago I found the best electrician I could find, he replaced my old service, weather head and tidied things up In the attic. 
He had the power company come out and they either on his advice or theirs,  put a pole in my yard with a transformer on it, it was at the street before. I'm in a rural area and the poles on the side of the property,  Ran new larger wiring from the street to my new service panel. I'm looking out at the now closer transformer and larger service than before. 
The power company will help you out. 
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