The bushing well is epoxy molded, and is externally clamped for sidewall mounting on single or three phase transformers filled with transformer oil, or an approved equivalent. It mates with all bushing inserts meeting applicable IEEE std 386-2016. It’s knurled copper stud with rolled threads provides excellent conductivity.
It is also with a removable stud that offers easy field replacement of the bushing stud with a standard 5/8" socket wrench in the event of damage or breakage in the field. A 7/64" hex has been provided in the portion of the stud which mates into the bushing insert. Should breakage occur here this feature allows for easy stud removal from the insert.
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