Quick Hits

Episode 2: Receptacle Ratings, Special Types & Terminations (406.10 – 406.11)

SLIDE 1 (HOOK / COVER)

⚡ NEC Quick Hit: Receptacle Features & Terminations (Part 2) ⚡

Isolated grounds, controlled receptacle symbols, USB chargers, and wire termination rules—let's check Sections 406.10 and 406.11! 👇

SLIDE 2 (SPECIAL RECEPTACLE TYPES)

Identifying Specialized Outlets:

• Marking Ratings: Receptacles must be marked with the manufacturer's name or identification along with voltage and ampere ratings.

• Isolated Grounds: Receptacles with isolated equipment grounding connections for EMI reduction must be identified by an orange triangle on the face.

• Controlled Receptacles: Receptacles automatically controlled for energy management must be permanently marked with the word "controlled" and the designated symbol.

• USB Chargers: Receptacles featuring built-in USB charging ports must integrate Class 2 power circuitry.

SLIDE 3 (WIRING DEVICE TERMINATIONS)

Connecting Conductors Safely:

• Aluminum Compatibility: Devices marked CO/ALR are permitted to directly terminate aluminum, copper, or copper-clad aluminum conductors. Devices not marked CO/ALR cannot take aluminum directly.

• Push-In Terminals: Screwless terminals of the conductor push-in type construction are strictly limited to 15-ampere branch circuits connected with 14 AWG solid copper conductors only.

SLIDE 4 (WRAP-UP) 💡 Apprentice Pro-Tip: 

Never put aluminum wire into a standard back-stab push-in terminal or a non-CO/ALR receptacle—always use rated pigtails or CO/ALR-listed devices to prevent catastrophic loose connections!

💬 Save this post for your next device termination checklist!

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