An electrical device mounting box assembly including an electrical device mounting box and a removable mud cover coupled to the electrical device mounting box via at least one living hinge is disclosed herein. The living hinge may be severed by fatiguing the living hinge or by mechanical severance. The removable mud cover may include a latch to maintain the removable mud cover in a closed position. A rear face of the removable mud cover, which faces a front opening of the electrical device mounting box when the removable mud cover is in a closed position, may include a cavity configured to receive a face of an electrical device mounted in the electrical device mounting box when the removable mud cover is in a closed position. The removable mud cover may include a narrow imprinter configured to imprint drywall when drywall is pressed against the narrow imprinter.