How long has Hott-Wire been in use?

How long has Hott-Wire been in use?

MI Cables were first invented in 1896 and have been in use since the early 1900’s.  These durable cables are a reliable system and Hott-Wire has been specially engineered for radiant heating being resistant to water absorption. The inert fiberglass reduces cable breakdown unlike Magnesium Oxide MI Cables. Hott-Wire has been sold worldwide.