Reply To: Motors and thermal protection Welcome! › Forums › General Woodworking Discussions › Tools and Tool Maintenance/Restoration › Motors and thermal protection › Reply To: Motors and thermal protection 11 September 2021 at 9:24 pm #728362 Sven-Olof JanssonParticipant Hej Mike, Being a tad daft, I have to ask: where does the DC come from? Is it a consequence of the failing capacitor, or is AC mains by default biased (if that’s the term for arithmetic mean not being zero)? Sven-Olof Jansson London, UK; Boston, MA