Importance

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Abstract

An electrical enclosure includes an electrical box and a cover mounted onto the electrical box. A 3/8-7 lag bolt extends through the cover and engages a coil nut for securing the cover to the electrical box or underground enclosure. The coil nut includes a body having two ends with an aperture therebetween. The aperture has a continuous internal thread formed between the first and second ends. The size of the continuous internal thread is seven individual threads per inch such that the distance, or pitch, between first and second centers of first and second threads, respectively is 0.143 inches. The pitch and the diameter determine the seven threads per inch size of the continuous thread by accounting for the minor diameter and the major diameter of the nut.

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First Claim