Reply To: Mod 3 unit 4 Home › Ask the Teacher Forums › Advanced Schematics and Troubleshooting › Mod 3 unit 4 › Reply To: Mod 3 unit 4 August 2, 2019 at 12:23 pm #12302 Sam BrownKeymaster Ah, didn’t see your reply before — that’s correct! Black is the conventional color for line, and white is the color for neutral.
