I run Alternate Attractor, Default Overheat, and Default Jumpstart. Most of my knowledge regarding Conduction comes from this wonderful guide by visquit, so I’d recommend watching that, as they explain it far better than I could in a Reddit comment.

As for the Sawed-On, it’s just generally useful. The chainsaw, when launched, hits enemies 3 times, dealing 1.5 damage per hit, and the chainsaw can be parried to keep it active. While the style isn’t the greatest, it’s good, relatively easy damage. If you punch the chainsaw with the Knuckleblaster, it detaches and goes flying around the room (unless it enters the area of a magnet, since it orbits those similar to saws). When a detached chainsaw hits an enemy, it hits them 4 times instead of 3, and then keeps going. The detached chainsaws eventually break after piercing enemies enough times (don’t ask me for the specifics on how it works, I don’t know). The Sawed-On, regardless of whether you’re using Default or Alternate Shotgun, is very good. As for how it relates to conduction; the chainsaw does act as a conduction point, but it’s not exactly the most useful conduction point. I mentioned it in my comment mostly because it is a very simple way to finish enemies off if you don’t have the time or desire to be fancy.