The basic requirement for a live wire (7)

I believe the answer is:

element

I'm a little stuck... Click here to teach me more about this clue!

'the basic' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

(Other definitions for element that I've seen before include "Primary chemical substance" , "Chemical building-block" , "Singular ingredient" , "Component - factor" , "Eg copper" .)

I've seen this clue in The Irish News.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.