White and the ground go to the disposal, black goes through a switch and then to the disposal. All three go through the switch box, the white and ground just pass through on the way to the disposal....
Biohazardous material much be disposed of in such a manner as to sequester the hazardous material until it can be destroyed in a manner that renders it non-hazardous. Any other form of disposal (that...
Most disposals have a locking ring holding them to the sink. There should be 3 round tabs sticking out right below the piece in the sink. Hollow tube about the size of a lead pencil and 3/4 of an...