
And an ELECTRICAL charge.
The Big Bang Theory Season 5, Episode 16

(ELECTRICAL crackling, popping)
The Big Bang Theory Season 5, Episode 7

Yeah, no.
A little ELECTRICAL tape, some solder...
The Big Bang Theory Season 2, Episode 12

Actually, ethyl alcohol inhibits
ELECTRICAL conduction in the nerve cells...
The Big Bang Theory Season 3, Episode 2

Tesla was a genius who
invented our ELECTRICAL grid.
The Big Bang Theory Season 11, Episode 8