STEP 4: Install Gateway 3 Plan the Electrical Service Connection to GatewayClearance RequirementsMount Gateway 3Remove the Main Neutral-Ground Bonding Screw from Gateway 3 if Not Installed as Service EquipmentInstall Main Breaker in Gateway 3Make AC Power Connections to Supply and Load / Generation PanelsInstall Load / Generation Breakers on Internal PanelboardWire Communication Connection from Gateway 3 to Powerwall 3