R rakish66 Member Location PNW Occupation Electrical Engineer Aug 8, 2022 #1 Would there be any code violation to use a pole-mounted transformer lug that was listed as such and instead use it for a mechanical connection similar to what would be on the line side of a fused AC disconnect (i.e. mechanical lug)?
Would there be any code violation to use a pole-mounted transformer lug that was listed as such and instead use it for a mechanical connection similar to what would be on the line side of a fused AC disconnect (i.e. mechanical lug)?
petersonra Senior Member Location Northern illinois Occupation engineer Aug 8, 2022 #2 If it is listed as a connector I can't see that the nomenclature they are using to describe it makes any difference. I don't see the UL mark in the picture and the catalog page does not say it is listed. However, the length of the stud makes me nervous. I suppose you could cut it to an appropriate length. Some might object to that.
If it is listed as a connector I can't see that the nomenclature they are using to describe it makes any difference. I don't see the UL mark in the picture and the catalog page does not say it is listed. However, the length of the stud makes me nervous. I suppose you could cut it to an appropriate length. Some might object to that.
J jim dungar Moderator Staff member Location Wisconsin Occupation PE (Retired) - Power Systems Aug 8, 2022 #3 Most mechanical set screw style lugs, in equipment, are not rated to clamp down onto a solid conductor of this size.
Most mechanical set screw style lugs, in equipment, are not rated to clamp down onto a solid conductor of this size.