Level 2 EV Charger Installation Proposal Template
Professional electrical proposal scope for installing 240V dedicated Level 2 EV charging stations in residential garages and exterior driveways.
Complete Scope of Work
Copy or customize these verbatim specifications into your contractor proposal.
1. Electrical Service Load Calculation
Pre-installation capacity verification.
- Perform NEC Article 220 demand load calculation on existing electrical service panel to confirm EV capacity.
- Verify available breaker space in main panel or existing subpanel.
2. Dedicated 240V Branch Circuit Installation
Conduit and conductor installation from panel to charging location.
- Install new 50A or 60A double-pole circuit breaker in main electrical panel.
- Run #6 AWG THHN copper conductors (with dedicated neutral and ground) in 3/4-inch EMT conduit.
- Mount commercial-grade NEMA 14-50 receptacle in metal wall box, or hardwire directly into EVSE charging station.
3. EVSE Mounting, Commissioning & Safety
Wall mounting, torque specs, and charging test.
- Mount EV charging station securely to wall studs at ergonomic 48-inch height.
- Torque all electrical terminal lugs to manufacturer-specified inch-pounds using calibrated torque screwdriver.
- Configure charging unit DIP switches or mobile app for maximum safe continuous charging ampacity (80% rule).
- Test pilot signal and charging handshake using electric vehicle or EVSE diagnostic tool.
4. Permitting & Workmanship Warranty
Municipal inspection and warranties.
- Submit permit paperwork and coordinate final electrical inspection sign-off.
- 2-Year contractor workmanship warranty on wiring and installation.
Standard Line-Item Material Allowances
Clear material specifications that protect against ambiguous scope arguments.
| Component / Assembly | Standard Specification | Unit / Allowance |
|---|---|---|
| Double-Pole Circuit Breaker | 50A or 60A 240V circuit breaker matching panel brand | 1 Unit |
| Conduit & Wire Run | 3/4-Inch EMT conduit with #6 AWG copper conductors | Up to 30 Ft |
| Industrial-Grade Receptacle | Hubbell or Bryant industrial-grade 50A NEMA 14-50R | 1 Unit |
| Disconnect Switch (if required) | 60A non-fused safety disconnect switch | 1 Unit |
| Permit & Inspection Filing | Municipal electrical permit fee coordination | 1 Filing |
Scope-Gap Protections: 3 Clauses to Include
These contractual gotchas account for 85% of change-order arguments on level 2 ev charger installation proposal templates.
The Risk: Standard $10 builder-grade stove outlets melt under continuous 32A–40A EV charging loads.
Protective Clause: Specifies heavy-duty industrial-grade EV-rated receptacles (Bryant/Hubbell) designed for continuous thermal cycling.
The Risk: 100A or full 200A panels may lack capacity for a continuous 48A load without tripping main breakers.
Protective Clause: Proposal explicitly includes automated dynamic load management system (smart energy monitor) or recommends service upgrade.
The Risk: Fishing wire through finished sheetrock ceilings from a basement panel to an attached garage requires cutting access holes.
Protective Clause: States scope assumes surface EMT conduit or open ceiling joists; cutting/patching drywall is excluded.
Governing Building Codes & Standards
Frequently Asked Questions
What is the continuous load 80% rule for EV charging?▾
Under NEC Article 625, EV charging is classified as a continuous load (drawing power for 3+ hours). A branch circuit cannot exceed 80% of its breaker rating: a 50A breaker charges at maximum 40A; a 60A breaker hardwired charges at maximum 48A.
Is a hardwired installation better than a NEMA 14-50 plug?▾
Hardwiring supports faster charging speeds (48A / 11.5 kW vs. 40A / 9.6 kW), eliminates the GFCI nuisance tripping common with EV plugs, and removes a high-voltage mechanical connection point.
Related Electrical Proposal Scopes
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