IBEW Electrical Practice Test 2025 – Complete Exam Preparation

Question: 1 / 400

What is the minimum height for electrical outlets above finished floor in residential areas?

6 inches

12 inches

In residential areas, the National Electrical Code (NEC) specifies that electrical outlets, specifically receptacles, should be installed at a minimum height of 12 inches above the finished floor. This height is intended to ensure that outlets are accessible for use while also minimizing the risk of accidental contact with water or dampness that can occur near the floor, especially in areas such as kitchens and bathrooms.

The 12-inch height is a practical standard that balances accessibility and safety, allowing for easy plug-and-unplug of devices while keeping outlets out of direct reach of most moisture hazards. This standard is widely accepted in residential construction and helps promote safety and usability for homeowners and occupants.

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18 inches

24 inches

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