DUCT VENTILATOR

A duct ventilator comprises: a ventilator body (2) that has a box shape with the top face (28) and the bottom face opened, that is provided with an air outlet on a side face, and for which the bottomface opening forms an air inlet; a motor mount plate (22) that covers the top face of the ventilator body (2) and that can be attached to and removed from the ventilator body through the bottom face opening of the ventilator body; a blower that has a fan to form an air flow to blow air into the ventilator body (2) from the air inlet and out from the air outlet, and a motor (3) to drive the fan, wherein the motor (3) is fixed to the motor mount plate (22); an electric wire connection device that is disposed on the upper face of the motor mount plate (22) and that electrically connects an external power source electric wire (21) and the motor (3); and a power source electric wire anchor part (29) that is disposed on the upper face of the motor mount plate (22) and that prevents deteriorationof the reliability of the