Outlet Spacing Calculator — Plan Your Electrical Outlets

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

NEC code requires outlets within 12 feet of any point along wall

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

Summary
Materials List
Spacing Diagram

Total Estimated Cost

$285.00
11 outlets required (12ft spacing)
Total Outlets
11 outlets
Wire Needed
85 feet
Electrical Boxes
13 boxes
Wall Perimeter
44 feet

Complete Electrical Materials List

Material Quantity Unit Price Total Cost Notes

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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