Knowledge hub
The residential electrical service path
Understand the equipment between the utility supply and the circuits in your home—and which parts may change in an upgrade.
Short answer
Electrical capacity is best understood from the project and the complete service path—not from the panel door alone.
Key takeaways
01Choose the project or component closest to your question.
02Use the same Capacity Check across guides.
03Local rules belong in verified jurisdiction pages.
Explore this hub
This section covers Electrical panel, Meter base, Service mast, Main breaker, Service conductors, Main disconnect, Overhead service drop, Underground service lateral. Each page focuses on a distinct homeowner decision.
How pages connect
Project pages connect planned equipment to service-size, energy-management, cost and local process guides.
Professional boundary
Educational pages help homeowners prepare better questions. Final electrical design remains with qualified professionals and authorities.
Decision table
What the evidence changes
- Electrical panel
- Dedicated guide available
- Meter base
- Dedicated guide available
- Service mast
- Dedicated guide available
- Main breaker
- Dedicated guide available
- Service conductors
- Dedicated guide available
- Main disconnect
- Dedicated guide available
Typical project sequence
From question to documented work
- 01Choose a topic
- 02Run the Capacity Check
- 03Review local requirements
- 04Request assessment if useful
Sequence and responsibilities vary by jurisdiction, utility and scope.
Evidence
Sources and verification
Published by the 200AmpPanel.ca Research Team, a HAUSE specialist property. Updated 2026-08-31.
Questions
Frequently asked
Where should I start?
Start with the project you want to add, then use the Capacity Check with your current service information.
What should I do next?
Use the Capacity Check to organize what you know, then have a qualified electrical contractor complete the assessment required for the property and jurisdiction.
HAUSE Capacity Check
Start with what your home needs to support.
Get a transparent electrical-capacity pre-check before deciding whether to retain, manage or upgrade the service.