The Exo Terra Heat Cable allows you to provide heat right where it is needed. The Heat Cables used underneath a terrarium to heat specific areas of a habitat or enclosure. They also can be used in breeder racks to heat multiple enclosures. Exo Terra Heat Cables has numerous uses for the professional breeder and keeper as well as the hobbyist. These flexible, water resistant, heating cables feature double silicone insulation that guarantees total safety.