03/10/2026
⚡🌍 Why Does a Power Transformer Have Two Earth Connections?
Do you know why a power transformer may have two separate earth connections?
One is typically for neutral/system grounding, providing a controlled path for fault current so protection can detect and isolate earth faults. The other is for earthing the transformer tank/body, helping protect people and equipment by keeping exposed metalwork at earth potential.
🔧 Proper earthing is essential for safety, fault protection, and reliable transformer operation.
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