An electrical device mounting box assembly includes an electrical device mounting box and a removable mud cover coupled to the electrical device mounting box via at least one living hinge. The living hinge may be severed by fatiguing the living hinge or by mechanical severance. The removable mud cover may includes 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 includes 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 includes a narrow imprinter configured to imprint drywall when drywall is pressed against the narrow imprinter.