| 摘要 |
A clamping bracket connects an electrical wire to a lip of a grounded utility box so as to ground the wire. The bracket has U-shaped portions and a threaded stud which advances an annular abrading end surface with a center cone point into engagement with the lip when located between the U-shaped portions. The rear planar member of the U-shape is formed by a leaf spring which slants inwardly. The front planar member of the U-shape has side ribs which strengths the front planar member and space a threaded bore from the lip.
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