How to prevent stray voltage from harming livestock in PV-equipped dairy farms

Stray voltage is unwanted electrical potential differences in barns that can cause small shocks to livestock, especially dairy cows, through damp floors, metal equipment, and water systems, leading to stress and reduced productivity, and in some cases even to death. While PV systems are sometimes blamed, experts told <b>pv magazine</b> that the real causes are faulty or poorly designed grounding and electrical infrastructure, and that proper equipotential bonding is key to prevention. With attentive design, these risks to animal health can be avoided.

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