← Back Build-Along

Wire a 200A Residential Sub-Panel

End-to-end install of a 200A sub-panel — one of the most-installed pieces of gear an inside wireman touches. Covers planning, clearance, grounding/bonding (including the sub-panel neutral-separation gotcha that fails inspection), conductor sizing, lug torque, branch circuit installation, megger testing, and trim-out. Grounded in NEC Articles 110, 210, 230, 250, 310, and 408.

NEC 110.26NEC 210.12NEC 250.24NEC Table 310.16NEC 408.4NETA ATS

0% complete

1

Day 1: Plan the install

~6h · 4 tasks · 1 quiz

2

Day 2: Mount and ground

~6h · 4 tasks · 1 quiz

🔒
3

Day 3: Feeder pull and termination

~8h · 4 tasks · 1 quiz

🔒
4

Day 4: Branch circuit installation

~8h · 4 tasks · 1 quiz

🔒
5

Day 5: Test and trim out

~4h · 5 tasks · 1 quiz

🔒

Loading progress…