Help on bonding jumper for water pipe

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tiger4life

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Location
Alabama
Occupation
Business Manager Electrical Construction/Master Electrician
I am a electrician and this question is not for one of my jobs but for my house. I am installing a water softener and whole house is copper piping but my plan was to reroute main pipe to Softener with PEX then back to copper pipe via PEX. This will happen after my bonding jumper, so is best to utilize a bonding jumper to bridge this PEX or not.
My thought is the bonding jumper is only to utilize the copper pipe outside underground for grounding purposes and NOT to bond copper pipe, is this correct? Or is the rest of the house piping now being "isolated" and bonding them could cause a shock hazard under certain conditions. This question is because taking course for CEUs this came up, see photo.
1661797957061.png
 
Bonding all metal likely to become energized and keep voltage potential constant on conductive materials as you probably knew
 
Bonding all metal likely to become energized and keep voltage potential constant on conductive materials as you probably knew
Yes Sir, I was thinking same but when I was taking the Mike Holt CEU course it mentioned what I posted originally and got me doubting myself.
 
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