I had to switch off a few circuit breakers in my basement and found it hard to see the stamped numbers on the electrical ...

I doubt much air goes through those notches. Any tape should be fine to see though. Duct tape or even electrical tape might leave goo. Masking tape should work.

properly labeling your breaker panel should be a little more complicated than writing “Kitchen” on a piece of masking tape next to the switch. If you want to go all out, electrical product ...

If necessary use masking tape and/or zip tie to separate the wires ... Professional-grade mil-spec flexible polyolefin tubing provides excellent electrical insulation, protection from dirt ...