Do you mean mounting the electric element directly in the pot? If so than you want it as close to the bottom of the pot as possible without touching. If it's a "heatstick" in the sense of an electric element mounted to a piece of pipe that is removable from the vessel then I don't know.
The power to tax, once conceded, has no limits; it contains until it destroys. I was not joking when I told them to dig into their own pouches. It may not be possible to do away with government — sometimes I think that government is an inescapable disease of human beings. But it may be possible to keep it small and starved and inoffensive — and can you think of a better way than by requiring the governors themselves to pay the costs of their antisocial hobby?
R. A. Heinlein