What does a high resistance reading on a multimeter indicate about a ground connection?

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A high resistance reading on a multimeter when testing a ground connection typically indicates that the ground connection may be inadequate. In electrical systems, a properly functioning ground connection should have low resistance. This is because an effective ground is essential for safely redirecting fault currents and ensuring that electrical systems operate reliably and safely.

When a multimeter shows high resistance, it suggests there is poor conductivity, which can lead to increased risk of electrical shock or equipment malfunction. This high resistance could be due to corrosion, damaged connections, or other issues affecting the conductivity of the ground path. Thus, a high resistance reading serves as a warning that the grounding may not be effective and should be evaluated further to ensure safety and proper functioning of the electrical system.

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