As used in this part 1211: Residential garage door operator means a vehicular door operator which:

(a) Serves a residential building of one to four single family units;

(b) Is rated 600 volts or less; and

(c) Is intended to be employed in ordinary locations in accordance with NFPA 70 (incorporated by reference, see §1211.32).

[57 FR 60455, Dec. 21, 1992, as amended at 62 FR 46667, Sept. 4, 1997; 65 FR 70657, Nov. 27, 2000; 81 FR 20228, Apr. 7, 2016]