A device for applying insulated fasteners to a substrate is disclosed. The device comprises a housing that includes a fastener recess and an ejection recess, and the fastener recess is configured to accommodate insulated fasteners. The device further comprises a powered actuator that includes an ejection member that moves over a range of positions. The ejection member permits one of the insulated fasteners to enter the ejection recess in a retracted position, and the ejection member forces the one of the insulated fasteners to leave the ejection recess in an extended position. A power connector operatively connects the powered actuator to a power source to provide power to move the ejection member. A manual actuator is operatively disposed between the power source and the powered actuator to selectively provide power from the power source to the powered actuator.