Patent ID: 7713071

Claim:
An electrical earthing nut comprising: an electrical earthing nut body having an internal thread, which in use received a threaded shaft, and an external perimeter shaped to receive a tensioning device, such as a spanner, said electrical earthing nut body having opposing generally planar faces; at least one threaded aperture on the electrical earthing nut body, extending into the electrical earthing nut body from the electrical earthing nut body perimeter, to receive a bolt to secure an earth connector to the electrical earthing nut body; and at least one threaded aperture on the electrical earthing nut body, extending onto the electrical earthing nut body from the electrical earthing nut body perimeter, to receive a grub screw to contact the threaded shaft on which the electrical earthing nut is placed, thereby, in use, immobilizing the electrical earthing nut body with respect to the threaded shaft; d) at least one raised rib on one planar face to engage a surface against which the nut is to abut.