On Sun,3/19/2017 11:26 AM, Jim W7RY wrote:
Now looking for some 240 volt blowers suitable for 8877 (need 4 blowers) and
also something suitable for a pair of 3-500 tubes (need two blowers for them.
And they can be 120 vac).
Yes, remember that it's perfectly OK to run a 120V load between one side
of the TX primary and its center tap. This is often done by the first
rate amp mfrs. And remember that it is NOT OK (and is illegal) to run a
120V load between one side of the line and ground. Indeed, putting load
current on ground is a recipe for hum pickup. And bonding neutral to
ground is even worse.
73, Jim K9YC
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