I would be willing to bet most of the time, the answer is YES.
Maybe not within 10 minutes of arriving, but most of the ones I knew would flunk a random drug test in a heartbeat.
I'd know who I was buying from, but that is just me.
Cabling-Design.com Forums website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.