Keep the Cash Register Ka-Ching-ing
Run a bare 10-gauge copper wire from the scale frame to the grounding lug on the j-box and then, lastly, to the ground rod from the power company. This wire can be buried in the soil from the scale to the AC ground. If a scale also uses an uninterruptible power supply, that device needs to be grounded to this wire as well.
Finally, measure the resistance between the scale sections and the AC ground. The reading should be less than 1 ohm. Higher ohm readings are typically caused by corroded connections.
Bill Murphy is the heavy capacity sales director for Rice Lake Weighing Systems and has been with the company since 2003. He has more than 30 years of experience in the weighing industry with the majority of that time revolving around truck and railroad scales.
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