My father-in-law said he has a small propane grill. The canister of LP (I assume, or butane?) is sized for like a small blowtorch. Anyhow, he told me how he went to use it during the blackout caused during the hurricane…and flame started to propogate up the small connection line towards the fuel source.
I have heard of this happening, but I forget why. Is it a possibility when there is low pressure in the tank? What are the causes, and how can one prevent it? - Jinx