WHAT EVER YOU DO DO NOT ENERGIZE ANY OF THAT EQUIPMENT until each piece if fully cleaned!
The soot will be partially conductive and could at least destroy your gear from the inside. Worst case it may start a fire again.
Be certain the restoration firm really knows what it is doing as the wrong cleaners can actually cause the soot to get more embedded in the electronics. Also wrong cleaners can ruin contacts in switches, etc. Serious electronics assembly/repair houses have automated DI- based cleaning systems designed for electronics - the good ones will seal switches, etc. prior to wash with removable material.
The soot will be partially conductive and could at least destroy your gear from the inside. Worst case it may start a fire again.
Be certain the restoration firm really knows what it is doing as the wrong cleaners can actually cause the soot to get more embedded in the electronics. Also wrong cleaners can ruin contacts in switches, etc. Serious electronics assembly/repair houses have automated DI- based cleaning systems designed for electronics - the good ones will seal switches, etc. prior to wash with removable material.