December 30, 2022

Electrical Service Upgrade

Fri Dec 30 07:51:13 EST 2022

Requirements

  • Replace 5 ton Gas/AC with two Heat Pumps
  • 3 ton Heat pump wtih 4.5kW heat strips
  • 3 ton Heat pump with 4.5kW heat strips
  • Water Heat Heat Pump
  • Induction Cooktop
  • Cooktop Exhaust Fan
  • Outdoor 120V service outlet

Meter

Plan

  • Replace meter base with 320A continuous / 400A max meter base
  • Add outdoor 8 space main lug 200A panel with feed through to supply existing 200A indoor panel
  • Add outdoor 30 space main lug 200A panel to supply garage and new heat pumps

Materials

Preparation

  • remove indoor drywall under exiting panel
  • obtain backer board for outside wall to back new meter base and panels

8 space panel

  • Replace feeder to existing indoor 200 amp panel with 4 wire feeder
  • Sleeves to crawl space though house band board, 1-3 sleeves?
  • Relocate surge protector from existing indoor panel to this panel

30 space panel

  • Relocate existing 100A garage feeder from indoor panel to this panel. May require crawlspace junction box to extend #X Copper SER cable.
  • Add surge protector

Issues

  • Power Company Interactions
  • Meter Base Requirements

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