Dan wrote:
I have a dipole in the attic tuned to around 14Mhz. Whenever I
transmit at full power, the laptop sitting next to my rig goes crazy
and the light in the next room turns on (its hooked up to a clapper).
When on 80 meters, if I transmit at full power and use my antenna
tuner to tune near perfect SWR, the treadmill in back of me turns on.
Is this normal? Should I worry about excessive radiation?

Thanks,
Dan

Is this normal? Yep!

Should I worry about excessive radiation? Nope!

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You have RF coupled into the power lines. You need some type 43 clamp on
ferrites to solve the 'normal' RF susceptibility of those components.