Single Pole VS Double Pole Circuit Breaker

[Haji]

How would your device be supplied by a single pole breaker?

Where do I connect the second supply line too?

I think your idea falls flat.

It looks like you say that based on this:
Most systems work best if they are kept simple rather than made complicated; therefore simplicity should be a key goal in design and unnecessary complexity should be avoided.

 

[Smart $]

... How to substantiate it with concrete and/or clear notions ...?

That is the question. The burden is on you.

 

[kwired]

How would your device be supplied by a single pole breaker?

Where do I connect the second supply line too?

I think your idea falls flat.

To be fair he was initially talking about somehow applying his method on an ungrounded system, might still present some NEC compliance challenges but his location suggests NEC may not be a typical standard he follows.