Why Tankers Have a Chain Hanging in the Back

the vehicle to the ground, where it is safely neutralized.
Other safety systems in tanker trucks

The back chain does not act alone. Trucks intended for the transport of hazardous liquids incorporate a set of complementary measures designed to minimise any electrical risk. Among the most important are:

RTR grounding systems: during loading and unloading operations, the truck is connected by a special cable to a fixed point in the station or plant. This ensures that static electricity does not accumulate at just the most critical moment, when the fuel is flowing.
Anti-static materials: Many components of the tank and

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