Outlet Spacing Calculator
Calculate optimal outlet spacing for rooms based on building codes. Estimate number of outlets, wiring, and electrical boxes needed for your project.
Step 1: Room Dimensions
Building Code Requirements
National Electrical Code (NEC) requires that no point along the wall line is more than 6 feet from an outlet. This means maximum spacing of 12 feet between outlets.
Step 2: Outlet Specifications
Electrical Safety Notes
Always consult a licensed electrician for actual installations. GFCI outlets required in bathrooms, kitchens, garages, and outdoor areas. Permits may be required.
Outlet Spacing Estimate
Total Estimated Cost
Complete Electrical Materials List
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Outlet Spacing Diagram
Outlet Spacing Formula
Outlets = (Wall Length ÷ Spacing) + 1
For each wall: divide wall length by maximum spacing, add 1 for starting outlet. Total outlets = sum for all walls. NEC requires within 6 feet of any point.
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