Grady Box™ is a new cost-effective outlet and device box designed specifically for metal stud construction with multi-wire MC feeders. All models are certified to UL514A/514B for US and CSA C22.2, No. 18.1-04 and 18.3-04 for Canada. The 44 cubic inch 2-gang version accepts large devices like dual duplex receptacles, fire alarm components, dryer/range outlets, etc., and up to sixteen 14AWG, fourteen 12AWG or thirteen 10AWG wires. 1-gang through 4-gang versions have similar volume and wire-fill characteristics.