You've hit on a common pain point with EV charger installations. Here's a breakdown of the issues and potential solutions, incorporating code considerations where applicable (though keep in mind local codes always take precedence)

1. Elevation as Protection:
The Argument for Elevation

Raising the charger can be a valid strategy, especially if combined with other measures. It gets the charger out of the typical bumper height range.

The Van Backup Concern

This is a legitimate concern. Even with typical cars, misjudgments happen. SUVs and vans have higher bumpers and back-up cameras don't always catch everything. Your inspector is right to consider it.

Mitigating Elevation Alone

If you're relying solely on elevation, you'd need to raise it significantly (potentially impractical and impact accessibility). It would also need to be high enough to clear loading platforms or any equipment a van could be carrying. It becomes a case-by-case risk assessment.

NEC/Code References (Generally)

While the NEC doesn't explicitly dictate bollards, it does require equipment to be installed in a neat and workmanlike manner (NEC 110.12). This is often interpreted by inspectors to include protection from foreseeable damage. Article 625 is the main reference for EV charging equipment, but doesn't delve into physical protection.

2. Concrete Parking Bumpers as Protection



Effectiveness

Concrete parking bumpers offer some protection, but they are not a guarantee against damage. A careless driver can still override them, especially if they are smaller or improperly anchored.

Arguments for Acceptance

If the bumpers are substantial (e.g., 6-8 inches high), securely anchored, and place the charger a good distance back from the parking space limit, you might convince an inspector they provide reasonable protection.

Considerations



Placement

Is the charger far enough behind the bumper?

Anchoring

Are the bumpers securely anchored to the concrete? Loose bumpers provide negligible protection.

Inspector Opinion

Ultimately, it's the inspector's call. Document your reasoning clearly.

3. Easier Protection Options (and Recommendations)



Bollards (Most Reliable)



Pros

Offer the best protection, especially if concrete-filled. They are the most convincing solution for inspectors.

Cons

Cost, installation effort (core drilling, concrete work), potential for trip hazard (though this can be mitigated with proper placement).

Recommendations



Diameter & Height

4-6 inch diameter steel bollards, 36-42 inches high are common.

Spacing

Place bollards to create a protective barrier, but allow access for charging cables.

Material

Steel is the most durable. Consider powder-coating for visibility and corrosion resistance.

Concrete Fill

Adding concrete fill significantly increases their ability to withstand impacts.

Steel Guard Rails/Barriers



Pros

Can be a good compromise between bollards and nothing. Often easier to install than individual bollards.

Cons

Might not offer the same level of impact resistance as robust bollards.

Recommendations



Choose sturdy steel

Avoid flimsy barriers.

Proper Anchoring

Ensure they are securely anchored to the concrete.

Heavy-Duty Rubber Bumpers/Guards



Pros

Less expensive than bollards, easier to install. Good for absorbing glancing blows and minor impacts.

Cons

Not as effective against direct, high-speed impacts. May degrade over time.

Recommendations



Choose high-quality, impact-resistant rubber

Look for products specifically designed for parking garages.

Proper Anchoring

Critical for effectiveness.

Combined Approach



Best Practice

A combination of elevation, parking bumpers, and bollards/guards is often the most effective and easily acceptable solution. Even a single bollard strategically placed can make a big difference.

Handicap Accessibility



Importance

Absolutely critical to comply with ADA (Americans with Disabilities Act) requirements.

Charger Holder/Cable Management

A charger holder is essential to keep the charging cable off the ground and prevent tripping hazards. Make sure the holder is at an accessible height.

Clearance

Ensure enough clearance around the charging station for wheelchair access.

Reach Range

Charging ports must be within the accessible reach range (typically between 15 and 48 inches above the finished floor).

Dedicated Accessible Spaces

Provide the required number of accessible parking spaces with EV charging capabilities.

Key Takeaways and Recommendations



Talk to the Inspector

The best approach is to proactively discuss your proposed installation with the inspector before you start the work. Get their feedback and address their concerns. Document their recommendations.

Document Your Rationale

Clearly document your reasoning for choosing a particular protection method. Include photos of the site, dimensions, and manufacturer specifications for the protection devices.

Err on the Side of Over-Protection

It's better to over-protect the charger than to risk damage and costly repairs. It also demonstrates good faith to the inspector.

Consider Future-Proofing

EV adoption is growing. Consider installing additional conduit for future charger expansion.

Cable Management: Invest in good cable management solutions. Tidy cables reduce trip hazards and extend the life of the charging cable.Good luck with your installations! Remember that collaboration and clear communication with the inspector are key to a successful outcome. Flag for review