| 摘要 |
A welding system having a welding implement. The welding implement having a neck, a handle and a retaining nut for securing the neck to the handle. The neck being operable to convey electrode wire therethrough. The retaining nut being adapted for wrench-tightening to a threaded portion of the welding implement. An optiona l retaining nut operator. The optional retaining nut operator being adapted to secure to the retaining nut. The optional retaining nut operator being adapted for manual rotation t o thread the retaining nut to the threaded portion of the welding implement. The optional retaining nut operator may be adapted to snap-fit onto the retaining nut. The optional retaining nut operator may comprise an electrically insulating material. The electrically insulating material may comprise a polymer.
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