List of hospitals in Arizona (U.S. state), sorted by hospital name. 1  Abrazo Arizona Heart Hospital - Phoenix, Arizona. 2  Abrazo Central Campus (formerly Phoenix Baptist Hospital) - Phoenix, Arizona. 3  Abrazo Maryvale Campus (formerly Maryvale Hospital Medical Center) - Phoenix, Arizona.
insulation - the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity. protection - the activity of protecting someone or something; the witnesses demanded police protection.
Insulation is made of materials that are poor conductors, such as glass, plastic, or rubber. These materials are used in an attempt to keep an electrical current within safe boundaries. For example, the plastic coating on an electrical wire acts as insulation and is designed to keep the electricity inside the wire.