Patent ID: 7173181

Claim:
A coupling set for connecting a ground plate for arrest of lightning, the coupling set comprising: a first group of connection members ( 1 and 2 ) having an upper connection piece ( 5 ) having a key protrusion ( 5 - 1 ) formed on the upper portion thereof, respectively, and a lower connection groove ( 6 ) having a key groove ( 6 - 1 ) formed on the respective lower portions thereof; and a second group of connection members ( 3 and 4 ) below said first group forming verticially spaced first and second groups and having an upper connection piece ( 5 ) having a key protrusion ( 5 - 1 ) formed on the upper portion thereof configured to fit in said lower connection groove ( 6 ), respectively, and at least one lower supporter ( 7 ) formed in the respective lower portions thereof, said vertically spaced first and second groups and each having mount seats, and ground copper plates ( 13 ) each with a ground terminal ( 14 ) mounted on said mount seats ( 9 ) of the connection members ( 1 - 4 ).