4" SQ box extension ring

What’s in this rate

This unit is installing one 4-inch square box extension ring to deepen an existing 4" SQ box for device or splice volume. The electrician stacks and screws the ring to the box. The rate is per ring. The box and devices are separate.

Build-up

Labor 0.18 hr × $70.00 wage and burden

$12.60

Material and small tools

$4.30

Direct rate (labor, material, and tools)

$16.90 / EA

Overhead 10% of direct

$1.69

Fee 10% of (direct and overhead)

$1.86

Loaded rate

$20.45 / EA

Related rates

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