identifying

I purchased the bass in the photos as a used instrument over the phone from Guitar Center in Nashville. Very surprisingly, it arrived yesterday with the Sadowsky pups I'd expected to find on the instrument tucked inside a bag in a gig bag pocket. I wasn't told about this at the time of purchase...

Hi, folks. If it's not clearly identified with a stamp/mark on the cable itself, how do you distinguish instrument cable vs. speaker cable? Sure, speaker cable is a tad beefier than most instrument cable... but then again, I've experienced some fairly hefty instrument cable in my days. Some...