10/12/2026
🔥 Fire damage at a receptacle supplied by aluminum branch-circuit wiring—a reminder that proper connections matter.
2023 NEC 406.3(D) requires 15- and 20-amp receptacles directly connected to aluminum conductors to have terminals marked CO/ALR. Connections must also meet NEC 110.14 requirements.
Aluminum wiring alone does not establish the fire’s cause. Device compatibility, connection quality, and proper installation must be evaluated.
⚠️ Keep the damaged circuit off until a qualified electrician evaluates and repairs it.