Reply to Lead Wire Question: DIY Arcade Mod

I have a question regarding something I've seen in guides as necessary materials for a VCI 100 DIY Arcade Mod:

"Lead wires- 16 about 3-4 inches long (can be cut from microphone cable)"

Since DDTT don't sell the DIY kits anymore I've been getting the materials myself but when I posed someone at a hardware store with these specs on what I needed they asked:

What