In these regulations, the following terms have the meanings indicated. Terms Defined. For the purpose of administering the provisions of Transportation Article, §13-937, Annotated Code of Maryland, and defining a motor home under Commercial Law Article, §14-1501, Annotated Code of Maryland, a “motor home” means a vehicle: Designed to provide temporary living quarters, built into as an integral part of, or permanently attached to, a self-propelled motor vehicle chassis or van; and Containing permanently installed life support systems which provide at least four of the following facilities: Cooking, Refrigeration or ice box, Self-contained toilet, Heating, air conditioning, or both, A potable water supply system including a faucet and sink, Separate 110—125 volt electrical power supply, or an LP gas supply. A “motor vehicle”, as defined under Commercial Law Article, §4-1501, Annotated Code of Maryland, does not include a motor home as defined in this regulation.