Tenn. Code Ann. § 2-9-102: Equipment furnished for machine

The county election commission shall have each voting machine furnished:

(1) With an electric light or a substitute for one which will give sufficient light to enable the voters while in the booth to read the ballot labels and to enable election officials to examine the counters; and

(2) With a curtain or other equipment so as to conceal the voter and the voter's action while voting.