1) Dope fiend 2) Electrical component 3) Head 4) High Times reader, typically 5) One who lives the high life 1) Doper 2) User 
A pothead is a type of insulated electrical terminal used for transitioning between overhead line and underground high voltage cable or for connecting overhead wiring to equipment like transformers. Its name comes from the process of potting or encapsulation of the conductors inside the terminal`s insulating bushing. ==Superseded== Pothead was on....
Pothead is slang for a habitual user of cannabis.
[n] - someone who smokes marijuana habitually
Slang for a device used to transition an overhead conductor to underground. Potheads are normally porcelain and have been largely replaced with non-ceramic, synthetic rubber, terminators of the type manufactured by Thomas & Betts Elastimold.
noun someone who smokes marijuana habitually