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Excavations for appliance installation should extend to a depth of how many inches below the appliance?

  1. 6 inches

  2. 12 inches

  3. 16 inches

  4. 18 inches

The correct answer is: 6 inches

The appropriate depth for excavations for appliance installation is 6 inches below the appliance. This depth is typically sufficient to accommodate the required support and ensure proper installation without causing damage to the appliance or interfering with its operation. Maintaining this standard helps in providing the necessary foundation while allowing space for any required connections or utilities associated with the appliance. This particular measurement is essential in various construction contexts, as it aligns with building codes and practices aiming to promote safety and functionality. Knowing these standards enhances a contractor's ability to perform installations that comply with typical industry requirements.