A worker connects or disconnects hoses during loading or unloading.
A person touches the metal surface of the tanker.
In environments where fuel vapors are present, that spark could lead to fire or explosion.
Why Is It So Important?
Why Is It So Important?
The transportation of hazardous materials is governed by strict safety regulations worldwide. Tanker trucks are engineered with multiple safety systems, including pressure relief valves, reinforced tanks, emergency shut-off mechanisms, and grounding equipment. The simple chain is one part of this broader safety strategy.
Although modern tanker systems may also use advanced grounding straps or bonding cables—especially during fuel transfer—the dragging chain offers an additional layer of continuous protection while the vehicle is in motion.
Does Every Tanker Truck Have One?