Patent ID: 7544885

Claim:
An isolating cover comprising: a cover plate having a plate body, wherein a plurality of protruded boards are disposed at four corners, at two external edges or at each external edge thereof, and a notch is disposed at an external edge thereof for prying open said plate body; a base defining a base body which is provided with a rectangular or wide L-shaped hole corresponding to said plate body, wherein said plate body is engaged and integrated with said rectangular or wide L-shaped hole of said base body; and a plurality of grooves having the same shape and size as said protruded boards disposed at four corners, at two internal edges, or at each internal edge of said rectangular or wide L-shaped hole; wherein each of said protruded boards has a dot-shaped pit having a protruded dot on the lower side thereof or alternatively a pit on the lower side of a dot-shaped protrusion disposed in the middle of each of the protruded boards.