Read/download the CT 2016 Anglers Guide online at DEEP or check your paper copy available where licenses are sold, it is a lake-by-lake rule. A common description for many lakes/pond is "Other: Use of internal combustion engines prohibited" which to me means you can use the electric trolling motor. It looks to me other lakes/ponds with "Other: Motors prohibited." means just that, no motors. Hopefully we can get an official post that speaks definitively to this issue.