❌ Extension cords, AC power cords, outdoor wiring, automotive engine bay, high-heat applications.

✅ Internal rewiring of low-voltage devices, hobby electronics, bench power supply leads, LED strips (<30V), control wiring.

If you saw this on a , the cable is likely underspecified for 100–240V input side; it should only be on the low-voltage DC output side (e.g., from brick to device).