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Generator inlet box installation cost in New Jersey (2026)

NJElectricalUpdated February 02, 2026

generator inlet box installation cost

Quick answers

  • Permits and inspections are often required.
  • Bundling related work reduces cost.
  • Distance, access, and existing equipment affect pricing.

What a generator inlet box is

A generator inlet box allows a portable generator to safely feed power into your home through a transfer switch or interlock.

Typical cost ranges

Costs vary depending on distance from the panel, wall material, and whether backup equipment is already installed.

What affects price

  • Distance from panel
  • Existing transfer switch or interlock
  • Permit and inspection requirements

Comparing quotes

Confirm if weatherproofing, permits, and testing are included.

Next steps

Use city pages to find licensed NJ electricians experienced with generator hookups.