What This Standard Covers
- EV charger circuit sizing by vehicle type, charge rate, and simultaneous load requirements
- Conduit routing from main or sub-panel to each charging stall
- Smart charger network connectivity requirements: Wi-Fi, Ethernet, and cellular backup
- Load management strategy when multiple EVs and HVAC share the same panel
- Garage automation wiring for door operators, occupancy sensors, and exhaust fans
- Integration with home automation for departure alerts, charge scheduling, and energy monitoring
Who It Is For
- Electricians sizing panels and circuits for multi-vehicle charging installations
- General contractors coordinating EV infrastructure with framing and finish trades
- Architects incorporating EV charging in electrical plans for new construction
- Homeowners adding EV infrastructure during renovation or new build
When To Use It
- Before panel sizing is finalized to account for EV charging load in service calculations
- During rough-in to run conduit to all planned stall positions before concrete is poured
- Before drywall to verify smart charger network wiring is in place
- At commissioning to configure charge scheduling, load management, and automation integration
Read or Download the PDF
The full standard, including specifications, diagrams, and field references, is in the embedded PDF below. Read it inline or download it for your jobsite folder.
Field Notes
EV charging infrastructure is a planning problem, not an installation problem. The panel capacity, the conduit run, and the smart charger network connection all need to be established before the slab is poured. Adding a second charger stall after the fact typically means cutting concrete.
The garage is also an automation space. Occupancy detection, exhaust fan control, door monitoring, and lighting scenes all tie into the same low-voltage infrastructure as the EV chargers. We address all of it in one standard so the trades are working from a single coordinated document.