You're absolutely right to point out the similarities between fuel pump breakaway systems and the potential need for them in EV charging stations. Here's a breakdown of why a breakaway system makes sense for EV charging, the challenges, and why it's not yet universally implemented

Arguments for Breakaway Systems in EV Charging:
Preventing Damage

As the image clearly shows, driving off with the charging cable still connected can cause significant damage to the EV, the charging station, and the cable itself. Repair costs can be substantial.

Safety

A torn cable can expose live electrical conductors, creating a serious electrocution hazard, especially in wet conditions.

Cost Savings

Repairing damaged cables and charging stations adds to the costs of EV infrastructure, and in some cases, loss of revenue to the site.

Ease of Repair

A breakaway system is easy to replace and avoids major damage.

Challenges and Why They Aren't Universally Required (Yet)



Cost

Implementing breakaway systems adds to the initial cost of charging stations and cables.

Complexity

Breakaway systems introduce a mechanical element that needs to be reliable and durable in various weather conditions. More components can mean more potential points of failure.

Standardization

There's a need for standardized breakaway designs to ensure compatibility across different charging stations and EV models.

Misuse/Vandalism

Some worry about intentional activation of the breakaway mechanism, leading to unnecessary replacements.

Monitoring

Implementing a system to monitor breakaways could be a challenge.

Market Competition

Manufacturers may be hesitant to add costs without a clear regulatory mandate.

Why No Code Requirement Yet?1. Early Adoption

EV charging infrastructure is still relatively new compared to gasoline stations. Regulatory bodies often lag behind technological advancements.2.

Data Collection

Regulators need data on the frequency of "drive-aways" and the associated costs to justify a mandatory requirement. While anecdotal evidence exists (like your image), comprehensive data is crucial.3.

Industry Consensus

Code changes often require input and agreement from various stakeholders, including manufacturers, installers, utilities, and consumer groups. Getting consensus can take time.4.

Alternative Solutions

The industry is exploring alternative solutions like:

Software alerts

Reminders on the EV's dashboard or phone app when the charging cable is connected.

Active locking mechanisms

The charge port locks the cable, preventing accidental removal while charging.*

Station to Car Protocols

These protocols are being designed to facilitate real-time communication between the vehicle and the charging station.

Possible Future

It's highly likely that breakaway systems or similar protective measures will become more common, possibly even required, in the future. As the EV charging network expands and the number of drive-away incidents increases, the economic and safety arguments for breakaway systems will become stronger. The National Electrical Code (NEC) and other relevant standards bodies are likely to address this issue in future revisions.

In conclusion: You are correct to draw the parallel to fuel pump breakaways. The risks are similar, and a preventative measure like a breakaway system is a sensible solution to prevent damage, injury, and cost. While it isn't yet a universal requirement, the discussion is happening, and the industry and regulatory bodies are likely to move in that direction over time. Flag for review