A motor which can reliably prevent varnish from ending up entering a terminal block. The motor is provided with a terminal block to which lead wires of coils are connected. The terminal block has a bottom wall, a plurality of side walls which face each other, a terminal part which is provided between adjoining side walls, and a dam wall which is arranged at a position closer to the coils than the terminal part and which is formed integrally with the bottom wall and side walls without clearance. The dam wall has a lead wire holding part for holding a lead wire.