Electrical plan symbols for residential drawings
There is no single mandatory symbol set for a residential plan in the US. Architects and electricians mostly use ANSI/IEEE 315 and NECA conventions, with variations from office to office. What every inspector expects is consistency and a legend.
Which conventions are used in the US?
ANSI/IEEE 315 (with its architectural counterparts) and the NECA standards are the common references. Many offices adapt them, adding letters for special receptacles (GFCI, WP for weatherproof, a subscript for 240 V types). International drawings often use IEC 60617 symbols instead.
Planelico’s library is based on IEC 60617 shapes with clear names, and every PDF export includes a legend, so the plan reads correctly whatever convention your electrician is used to.
The symbols you will need
- Duplex receptacle, and its GFCI, weatherproof, switched and 240 V variants.
- Single-pole, 3-way and 4-way switches, dimmers.
- Ceiling and wall lighting outlets, recessed lights, exterior lights.
- Load center, subpanel, meter.
- Smoke and CO alarms, data and TV outlets, doorbell, thermostat.
Why the legend matters more than the symbol
Inspectors read hundreds of plans drawn with different habits. A legend that lists each symbol with its meaning removes ambiguity, especially for special receptacles and appliances. Keep text labels for anything unusual: “range 240 V”, “EV charger 40 A”.
Quick method with Planelico
- 1
Pick symbols from the library
370+ electrical and smart home symbols.
- 2
Label special devices
Custom labels and mounting heights in feet and inches.
- 3
Export with the legend
Every symbol used is listed in the PDF.
Frequently asked questions
Official sources
Build your electrical plan online
Import your PDF plan, drop the electrical symbols and export a clean document to share.