:grin: yup , What you have there is local metal piping system being fed from a non metal system ,. Heck,.. I would not even call that black stuff piping ,.. looks more like a tube to me,.,.. so really you have one metal piping system shown there so ,..yup 250.104(a) :grin:
Now hold on there ,... whats that "T" doing there,.. bond that too.
The above was an attempt at humor ,. no animals were hurt while I typed ,.. no offense was ment and I hope none taken ,.. If you were offended in any way take tomorrow off and relax you are wound way to tight