boom3 Posted October 8, 2023 Share Posted October 8, 2023 For many years I've seen a two conductor set-up on power poles in northern California. The poles have a PG&E label. I know they're not DC. I am wondering why a single phase supply is being provided anywhere now. The label says "high voltage" but there is no indication of what that might be. Any ideas? Quote Link to comment Share on other sites More sharing options...
JL Sargent Posted October 10, 2023 Share Posted October 10, 2023 The power line feeding my house is a single hot leg (12K volts or so) and a ground/neutral so a 2 wire system. That single hot leg is transformed into 2 120V hot legs sometimes called split phase that powers my house. These two phases are 180 degrees out of phase with each other. Is that what you're seeing? Quote Link to comment Share on other sites More sharing options...
boom3 Posted October 10, 2023 Author Share Posted October 10, 2023 It might be. I asked the property manager and he didn't know. I'm not sure if there is a transformer on-site. I don't recall seeing a transformer vault or a transformer on a pad. when next there I will see if I can find where the incoming line terminates on the property. This is a fairly rural area and about two miles from the nearest highway. Thanks! Quote Link to comment Share on other sites More sharing options...
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