The secrets of the mysterious tanker truck chain

How does it work?

  1. Charge conduction:  The chain, made of a conductive material, captures the  electrical charges accumulated on the truck.
  2. Grounding:  By coming into contact with the ground, it transfers these charges to the earth, thus discharging them.This mechanism acts like a  “reverse lightning rod” , dissipating static charges before they become a threat.

    A crucial safety device

    An essential safety deviceThe chain at the rear is just one of the many safety devices integrated into tanker trucks. Other measures include: 

     

    • RTR grounding systems:  A cable connects the truck to a fixed point during filling or emptying operations to prevent static  electricity.
    • Anti-electrostatic materials:  Some components and tanks are made from materials that limit the generation of electrical charges.

    These combined measures ensure  optimal protection for drivers, goods and the environment.

    In conclusion: the chain, an invisible protection

    The presence of the chain at the rear of tanker trucks is of paramount importance. It plays a vital role in safety by dissipating static electricity before it can become a hazard.  A small device offering significant protection, indispensable for preventing incidents.

    Physics

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