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    Building, troubleshooting and testing of these amplifiers should only be
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    the safety precautions around high voltages.

power supply choke with a connection for AC ground?

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leadbelly

leadbelly

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Joined 2002
senderj said:
If my choke does not have one, is it possible to make one myself? From the metal surface of the choke to AC ground or psu ground?
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Yes, the metal of the choke should be grounded. If mounting to a metal plate, I don't bother with a separate wire, I just make sure that there is metal-metal contact (not painted-metal-to-metal contact). If there is some reason why that can't be done, I just make a bonding wire with a washer style connector on the end so that the mounting screws will hold the wire to the metal.
 
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