Keith Carlson wrote:
In the book Woodshop Dust Control, Sandor
Nagisygnskfiwef(something-or-other) recommends that the reader NOT use
plastic pipe for the DC system, and shows a lot of detail on grounding
plastic pipe to prevent an explosion. He seems to consider it a real risk.



As I said,

To date none of the experts have come up with a single
itty-bitty bit of evidence that PVC piping will lead to a
dust collector explosion.

And this includes Sandor.

UA100, who is mentioned by name on the acknowledgements page
of Sandor's book Power Tools...