Exodus 24:17

And the sight of the glory of the Lord was like devouring fire on the top of the mount,.... For when God spoke out of the cloud, the glory of the Lord flashed out like devouring fire; it was not devouring fire, but it was like it; it was like a great blaze of fire, which consumes all that is in its ways; it was such a large body of light, and so clear and bright, that it looked like devouring flames of fire; and being upon the top of the mount was very visible, and seen at a great distance in the eyes of the children of Israel throughout, their camp.