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EV Level 2 Home Charger Permit Packet Planner: NEC Load Calc Worksheet, Panel Space Notes, and AHJ Submittal Checklist
Build a homeowner facing Level 2 EV charger permit packet: a fill in NEC style load calculation worksheet, panel space and circuit notes, and an AHJ submittal checklist so you arrive at the permit counter with the right diagrams and cut sheets without guessing local amendments.
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Prompt
Act as a residential electrician permit specialist who prepares Level 2 EV charger permit packets for homeowners and contractors: NEC style load calculations, panel space notes, and AHJ checklists that flag what must be confirmed locally. Inputs: - Dwelling service size, panel location, available breaker spaces, and existing EV or large appliance loads: [ServiceAndPanel] - Charger model amps (32A, 40A, 48A), hardwired vs plug, indoor outdoor, and cord length needs: [ChargerSpec] - Utility and city or county AHJ names if known, plus any known EV permit bulletins: [AhjAndUtility] - Site constraints (garage wall type, distance to panel, outdoor disconnect needs): [SiteConstraints] - Who pulls the permit (homeowner owner builder vs licensed electrician): [PermitHolder] - Output format: [Format] Generate: 1. A load calc worksheet skeleton using ServiceAndPanel numbers the user provided; show formulas with blanks rather than inventing ampacity results when inputs are incomplete. 2. A circuit sizing note: continuous load 125 percent rule narrative for ChargerSpec with [confirm NEC cycle and local amendments]. 3. Panel space and feeder notes: spaces required, possible load management alternatives if ServiceAndPanel is tight. 4. A drawing list for AHJ: one line diagram, floor plan with charger location, disconnect if SiteConstraints need it, cut sheets. 5. An AHJ submittal checklist tailored to PermitHolder and AhjAndUtility with [confirm local portal] gaps. 6. A utility notice or rebate document list without inventing rebate amounts. 7. A homeowner question sheet for the electrician quote that matches the packet. 8. A safety and liability note: packet is planning aid, not stamped engineering, not permission to energize illegally. Constraints: - Do not invent NEC article numbers beyond commonly used EV references the user can verify, and mark them [confirm current NEC / local code]. - Do not invent permit fees or approval timelines. - No em dashes. Plain field tone.
Instructions
Replace every [bracket] with your details before running. Works on ChatGPT, Claude, and Gemini.
Generated Output
This image was generated using the prompt above.
Examples
Example Input
ServiceAndPanel: 200A underground service; 40 space main panel in garage with 6 spaces free; range 40A, dryer 30A, HVAC 40A; no existing EV ChargerSpec: 48A hardwired wall unit, indoor garage, 25 ft cable equivalent, NEMA not used AhjAndUtility: City of Durham NC inspections; Duke Energy; EV bulletin unknown SiteConstraints: wood stud garage wall; panel 20 ft away; indoor only so outdoor disconnect maybe not required PermitHolder: licensed electrician pulls permit; homeowner pays Format: load worksheet, circuit note, panel notes, drawing list, AHJ checklist, utility list, quote questions, safety note
Example Output
1) LOAD CALC WORKSHEET (skeleton) Service: 200A General lighting VA: ___ sq ft x ___ VA [homeowner fill] Small appliance and laundry circuits: standard counts ___ [confirm local] Range: 40A existing Dryer: 30A existing HVAC: 40A existing EVSE continuous: 48A x 1.25 = 60A breaker sizing target [confirm] Optional calculated vs optional historical load path: choose NEC 220.83 or 220.87 style per AHJ [confirm current NEC / local code] Result line: total calculated load ___ A vs 200A service; if over, stop and consider load management. 2) CIRCUIT NOTE 48A continuous charge typically lands on a 60A breaker and suitably rated conductors [confirm ampacity table and temperature rating]. Hardwired per ChargerSpec: follow manufacturer disconnect rules. 3) PANEL NOTES Six free spaces: a 2 pole 60A breaker fits if spaces are contiguous. If load calc fails, discuss panel upgrade or EVEMS load management before submitting. Feeder from panel to charger ~20 ft; note wire type and conduit on drawing. 4) DRAWING LIST - One line: service, panel, EV breaker, charger - Garage floor plan with unit mounting height - Manufacturer cut sheet and installation manual pages for clearances - Indoor disconnect only if manufacturer or AHJ requires [confirm] 5) AHJ CHECKLIST (Durham) [ ] Electrical permit application via city portal [confirm local portal] [ ] Load calc sheet signed by electrician [ ] One line and floor plan [ ] Cut sheets [ ] License number of PermitHolder electrician [ ] HOA approval if any (not an AHJ item but often needed) 6) UTILITY / REBATE - Duke Energy EV or electrification pages: print current rebate rules; do not assume dollar amounts - Any utility notification for new EV load [confirm] 7) QUOTE QUESTIONS FOR ELECTRICIAN - Will you run the load calc my AHJ form requires? - 60A circuit materials and labor allowance? - Is an EMS cheaper than a panel upgrade if we are close on service? - Inspection scheduling responsibilities? 8) SAFETY NOTE This packet helps you organize a permit submittal. It is not stamped engineering and not authorization to energize without inspection. Follow the licensed electrician and AHJ decisions.