Never Realized This: Why Tanker Trucks Have That Extra Chain Hanging at the Back

Proper maintenance ensures the chain continues to protect against static-related accidents.

Conclusion

That extra chain on the back of a tanker truck may seem insignificant, but it’s a vital safety feature. By safely dissipating static electricity, it prevents sparks that could ignite flammable liquids—protecting the truck, its driver, and everyone nearby. Sometimes, the simplest safety measure is also the most effective.