The B&B Molders Electrical Cord Hatch is designed to accommodate 30 amp/50 amp cords and features a key alike lock. Its dimensions include a 4-3/4 inch height and 5-7/8 inch width cutout, and a 6-1/2-inch height and 7-5/8-inch width outside dimension with a 1-1/8 inch collar depth. This black hatch is UV and impact resistant, making it durable and reliable. For reference, it can be cross-referenced with B&B's E7133-A hatch.