(e) On and after January 1, 1993, any person hired to service or repair any residential automatic garage door opener shall, upon completion of the service or repair, if any, determine whether it reverses upon contact with a rigid two-inch high obstacle placed on the surface beneath the garage door. If the residential automatic garage door opener does not pass the test, the person shall complete and conspicuously affix to the residential automatic garage door opener, a red certificate as follows:

WARNING!

This garage door opener, when tested on this date, did not reverse upon contact with a two-inch high rigid obstacle placed on the surface beneath the garage door, and may not be in compliance with the safety standards relating to automatic reversing devices as set forth in Chapter 12.5 (commencing with Section 19890) of Part 3 of Division 13 of the Health and Safety Code.

(g) For the purposes of this chapter:

1. (1) “Residential” shall define a device or structure that is part of, affixed to, or associated with, a residence.
2. (2) “Residence” means a building that contains from one to four single-family dwelling units.
3. (3) “Garage” means an enclosed and covered shelter for one or more automobiles, that may be attached to, or detached from but associated with, a residence. “Garage” does not include an unenclosed automobile parking area nor an unenclosed, covered carport.
4. (4) “Garage door” means a structure that serves as an overhead, vertical-moving barrier to the opening that serves as the automobile entrance to the garage. “Garage door” does not include structures that operate in a sliding or horizontal motion.