Arc flash

A dwaven scrapper diver points his index and middle fingers at a stuck door on a sunken craft. With a flash of blue light accompanied by bubbles rising, the door swings free, cut from its hinges.

In a panic to seal a hull breach, the human artificer welds a metal plate to the inside of the hull

Arc flash is primarily a utility spell. Used in cutting and welding metals. However it does have combat applications.