True or False? Grounding a circuit by connecting it to a water supply pipe is safe practice.

Prepare for the HVAC Unlimited Heating, Piping, and Cooling (S-2) License Test. Study with comprehensive questions and explanations. Get exam-ready!

Grounding a circuit by connecting it to a water supply pipe is considered unsafe practice due to potential hazards. While it might seem convenient to use a readily available conductive path such as a metal water pipe, there are significant risks involved. Water pipes can become disconnected, corroded, or insulated by non-conductive materials, which can interrupt the grounding path. This interruption could lead to unsafe conditions, such as equipment damage or electric shock hazards.

In modern electrical installations, grounding should be done using dedicated grounding conductors that are specifically designed for this purpose. This ensures a consistent and reliable path for electrical faults to follow, minimizing the risk of electrical hazards. Additionally, code compliance is a critical consideration, as most electrical codes explicitly prohibit using water pipes as a grounding method.

Overall, proper grounding techniques are essential for safety, and relying on a water supply pipe does not meet these standards.

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