Smoke and heat with cameras: no.
Smoke and heat with electronic circuit boards: Oh, my Heavens, do I ever!
(Telephone company switching computers (mainframes), peripherals, PCs, etc.)
Consider ALL your camera gear non-salvageable.
That includes cases, filters, flash, etc.
I may take this advice, as I certainly don't want to run into problems down the raod, when I could have replaced them via our insurance. Fortunately we have very good coverage...