For the purposes of this Article, the following terms shall have the meanings indicated:
A dwelling, including house trailers, but excluding camping trailers, travel trailers, truck campers and motor homes, which is a movable or portable unit designed and constructed to be towed on its own frame and wheels and designed to be connected to utilities for year-round occupancy. The term "mobile home" includes:
A unit containing parts that may be folded, collapsed or telescoped when towed and which is expandable to provide additional cubic capacity.
A unit composed of two (2) or more separately towable components designed to be jointed into one (1) integral unit capable of being separated into components for repeated towing.
A unit constructed under ANSI No. A119.1 or NFPA No. 501B-1974.