Question

what identifying mark(s) are used to indicate a positive battery post?
both the color red and the - (minus sign)
color red
+ (plus sign)
both color red and the + (plus sign)

• (minus sign)

color black

Explanation:

In electrical systems, the positive battery post is commonly marked with the color red and/or the + (plus sign). The minus sign (-) and color black are used for the negative post.

Answer:

Both Color Red and the + (plus sign)