Electricians: how to ground an outlet in an old house

[am77494]

I started a thread on GFCIs and treadmills and the consensus was GFCIs don’t work well with motors.

GFCI and treadmills

About a year back, we bought a treadmill from Costco and it would run for a while and then trip the GFCI breaker. I thought it was the incline motor and replaced it. Didn’t fix the problem. So we returned the treadmill and bought a new different model. The problem returned after a while. After searching the internet, I found that this is a common problem since the treadmills discharge the static through the ground wire. I was surprised that a consumer device escaped codes/regulations somehow. T…