EcoRenovator - View Single Post - Unnecessary use of line-voltage power electronics is getting excessive

stevehull · 08-10-14, 06:26 AM

I can recognize the older and far more robust power supplies as they have a buzz (from the transformer), but how can we recognize the lack of them in electronics that have this integrated (like washers, etc)?

Steve

08-10-14, 06:26 AM	#2
stevehull Steve Hull Join Date: Dec 2012 Location: hilly, tree covered Arcadia, OK USA Posts: 826 Thanks: 241 Thanked 165 Times in 123 Posts	I can recognize the older and far more robust power supplies as they have a buzz (from the transformer), but how can we recognize the lack of them in electronics that have this integrated (like washers, etc)? Steve __________________ consulting on geothermal heating/cooling & rational energy use since 1990