Thank you "EMSR2".
Units responding were:
Eng 2, Squad A, Eng 3
Truck 1
Battalion 1
Also - Mohegan Sun Fire Dept as the FAST Co, along with mutual aid from the surrounding volunteer fire depts. (Taftville, East Great Plains, Yantic, Laurel Hill).
Related story from the local newspaper.
https://www.theday.com/local-news/20190203/norwich-arson-fire-badly-damages-home-displaces-two-families