[TenTec] High speed washer hum/whine

Jim Brown K9YC k9yc at audiosystemsgroup.com
Thu Feb 4 15:09:54 PST 2010


On Thu, 04 Feb 2010 16:06:54 -0600, Stuart Rohre wrote:

>Since the safety ground is bonded at the main panel 
>to the Neutral bus even if you have an older appliance using half of the 
>240 Volt feed for motors, you are still safe.

The problem is that such a connection DEGRADES SAFETY. That's why the code 
was changed! AND such a connection creates a magnetic field that can cause 
hum in electronic systems. 

73,

Jim K9YC




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