A hinged object, such as a door, window, gate, lid, etc., comprises a first hinge, a second hinge, and an electromechanical locking device mounted on or in the hinged object. A first electrical wire is embedded in the hinged object that couples the electromechanical locking device to the first hinge, the first hinge to couple to a low-voltage power source to supply low-voltage electrical current to the electromechanical locking device via the first electrical wire. A second wire is embedded in the hinged object that couples the electromechanical locking device to the second hinge, the second hinge to couple to the low-voltage power supply to return low-voltage electrical current from the electromechanical locking device to the low-voltage power supply via the second electrical wire.

A hinged object, such as a door, window, gate, lid, etc., comprises a first hinge, a second hinge, and an electromechanical locking device mounted on or in the hinged object. A first electrical wire is embedded in the hinged object that couples the electromechanical locking device to the first hinge, the first hinge to couple to a low-voltage power source to supply low-voltage electrical current to the electromechanical locking device via the first electrical wire. A second wire is embedded in the hinged object that couples the electromechanical locking device to the second hinge, the second hinge to couple to the low-voltage power supply to return low-voltage electrical current from the electromechanical locking device to the low-voltage power supply via the second electrical wire.

An electromechanical cylinder lock includes an outer lock shell and a rotatable lock barrel located therein which is controlled by dual locking features. A side bar or fence selectively blocks and permits rotation of the barrel with respect to the shell in response to insertion of a key into a keyway in the barrel. A slider bar is movable between a blocking position in which the side bar is prevented from permitting rotation of the barrel, and an unblocking position in which the side bar permits rotation of the barrel. Alternately, a blocking mechanism is provided to block motion of tumbler pins in the cylinder lock. A shape memory alloy actuator, such as a wire made of nitinol, disposed in the barrel is activated by an electric current in response to determination by an electronic control device whether an attempt to open the lock is authorized. Thermal interlock protection from external heating of the lock is also provided.