Constructed from tough impact resistant, flame retardant plastic. The lid incorporates a fuse and switching device. When the lid is open the cable clips are isolated from the supply. When closed the power is connected. A glowing neon lamp is visible with the lid open or closed indicating when power is connected to the device.The Quicktest provides a quick and secure method of temporarily connecting 2 or 3 core bare ended flexible leads to the mains. Maximum 13 Amp. Fitted with integral BASEC cable (5A) and moulded plug to BS1363/A.