Changeover regulator - no thread to mount
Have bought this Marshall Excelsior automatic changeover. Works perfect. One problem - mounting holes at the back have no thread. I am past return window, a piece of wire and duct tape holds it so...
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Look on the back of the regulator. It should have 6 or so screw holes pre-drilled. Go to local hardware store and get self-tapping screws(I think they are #8x24s). Not sheet meatal screws!
