Quick Hits

🗓️, 2026
⚡ SPARKY BREAKDOWN — NEC 225 SERIES (PART 1)

OUTSIDE BRANCH CIRCUITS & FEEDERS — SCOPE + GENERAL (225.1–225.6)
joshthesparky4 · Josh The Sparky

OPENING HOOK
Power leaving a building changes the rules. ⚠️
Once you go outside… the NEC gets stricter fast.

CORE IDEA
Article 225 covers outside branch circuits and feeders between structures.
This includes:
• Buildings and structures
• Poles and overhead runs
• Equipment mounted outside

Voltage limits matter:
• ≤1000V AC
• ≤1500V DC

CODE CONNECTION
225.1 — Scope defines where Article 225 applies.

225.4–225.6 — Conductors + Minimum Sizes
• Within 10 ft of grade → MUST be insulated
• Wet locations → follow 310.10(C)
• Minimum overhead sizes:

• ≤50 ft → #10 Cu / #8 Al

• 50 ft → #8 Cu / #6 Al
  
  
  

FINAL TAKEAWAY
The moment conductors leave a structure…
They’re exposed to weather, damage, and people.
That’s why Article 225 starts with stricter rules. ⚡

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#NEC #Article225 #ElectricianLife #CodeStudy #ElectricalSafety