this video is a great example of the saying "poor people pay twice - by trying to save money on something and having to redo it the right way later anyhow"
@Shadi2
I have never seen black (PVC?) used for potable water supply.
@xephael3485
I don't know why KZbin suggested this video but it was painful to watch... Heat wires burn down more houses than anything else if statics are to be believed.