<p>An electrical enclosure is made of a thermoplastic material such as a polycarbonate material. The enclosure includes a box and a lid hinged to the box along its back edge. A top edge of the box and a bottom edge of the lid are shaped to engage and hold a resilient seal when the lid is closed The lid may be moved between an open position and a closed position The lid is held in the closed position by tongue and dog fastener arrangement. One of the lid and box has a dog that projects from the front edge of the box while a resilient tongue projects from the other of the box and lid. The tongue has an opening that receives the dog when the lid is closed in order to hold the lid closed</p>