ICC Residential Electrical Inspectors Practice Exam

Question: 1 / 400

What is the minimum height for wall receptacles in a residential dwelling?

12 inches above the floor

15 inches above the floor

18 inches above the floor

The minimum height for wall receptacles in a residential dwelling is 18 inches above the floor. This standard is established by the National Electrical Code (NEC) to ensure that receptacles are installed at a height that is accessible yet also provides safety from potential hazards, such as water exposure.

Installing receptacles too low can lead to complications in use, especially in areas where the potential for water exposure exists, such as bathrooms or kitchens. An 18-inch height provides a balance of accessibility for users while helping to mitigate these risks. This height allows for convenient access during typical usage situations, such as plugging in appliances or devices, without being excessively low to the ground where they might be subject to accidental damage or tampering.

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24 inches above the floor

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