15A Box cover unit with edison base plug fuse receptacle and on-off AC switch to be used as a disconnecting means for furnaces or other small appliances. These fit any standard metal 2X4 electrical utility/handy box. Use Bussmann TL15 time delay plug fuses. Plug fuses sold in boxes of 4 use part number TL15PK4. Handy box sold each use part number HANDYBOX. This item is retail carded for point of purchase display