Full service capacity expansion from 100A to 200A with new meter enclosure, Eaton CH load center, dual ground rods, whole-house surge protector, and portable generator interlock.
Upgraded an older residence in Waterbury from a dangerous, obsolete split-bus fuse box to an NEC-2023 compliant 200-Amp main breaker service. Included utility meter socket replacement and outdoor emergency main disconnect.
Homeowner required additional capacity for an upcoming central heat pump system and portable generator backup without losing power for more than 4 hours during the utility cutover.
Pre-built the replacement panel and service entrance cables, coordinated seamless morning Eversource utility disconnect and afternoon inspection reconnection, restoring power in under 3.5 hours.
Commercial and residential installations utilize commercial-grade, UL-listed hardware meeting NEC 2023 specifications:
| Component Description | Quantity | Manufacturer |
|---|---|---|
| Eaton CH 200A 42-Circuit Main Breaker Load Center | 1 | Eaton |
| 200A Ringless Heavy Duty Meter Socket | 1 | Milbank |
| Eaton Mechanical Generator Interlock Kit | 1 | Eaton |
| 50A NEMA 14-50 Exterior Generator Inlet Box | 1 | Reliance Controls |
| Type 1 Whole-House Surge Protective Device (SPD) | 1 | Siemens |
This project was installed by a Connecticut Licensed Master Electrician (License #191788-E1) following Article 215 (Feeders), Article 240 (Overcurrent Protection), Article 250 (Grounding and Bonding), and Article 408 (Switchboards and Panelboards).
Grounding verified: Dual 5/8" x 8ft copper ground rods spaced 6ft + water bond <25 ohms verified. Surge Protective Device (SPD) integrated: Yes, Type 1/2 Whole-System.