Transfer Switch Types Explained: Panel vs. Meter-Mounted (GenerLink)
A transfer switch is the safety device that connects your generator to your home’s electrical system. Without one, you’d be running extension cords — an inconvenient, often dangerous workaround that leaves most of your home without power. With a transfer switch, your generator powers your entire house just like grid electricity does.
There are two main types: manual transfer switches installed at your breaker panel, and meter-mounted transfer switches like GenerLink that install outside between the utility meter and your home. This guide explains both options and helps you choose the right one.
Manual Panel Transfer Switches
Traditional transfer switches are wired directly into your breaker panel by an electrician. They typically cover 6 to 10 circuits selected at installation — your refrigerator, HVAC, a few lights — and require a sub-panel or interlock kit to be installed on your main panel.
This type of installation requires a permit in most jurisdictions, can take 4 to 8 hours, and typically costs $500–$1,500 in labor alone depending on your panel location and complexity.
Meter-Mounted Transfer Switches (GenerLink)
GenerLink installs between your utility meter and the meter socket on the outside of your home — no panel work, no permit required in most service areas. The unit is installed by your utility company or a licensed electrician in under 30 minutes.
Because it installs at the meter rather than the panel, it powers your entire electrical panel — not just selected circuits. Every breaker in your home becomes available for generator power, up to the rated amperage of your GenerLink model.
Key Differences at a Glance
| Feature | Panel Transfer Switch | GenerLink (Meter-Mounted) |
|---|---|---|
| Installation time | 4–8 hours | Under 30 minutes |
| Circuits powered | Selected circuits only | Entire panel |
| Panel modification | Yes — required | None |
| Permit required | Usually yes | Usually no |
| Installation cost | $500–$1,500+ labor | Low or utility-included |
| Surge protection available | Add-on only | Built-in (S models) |
| Warranty | Varies | 7 years standard, 15 years surge |
Which Type Is Right for You?
If your utility approves GenerLink in your service area, a meter-mounted transfer switch is almost always the simpler and more cost-effective choice. The installation is faster, the coverage is broader (whole panel vs. selected circuits), and models like the MA23-S and MA24-S include surge protection that covers your major appliances for 15 years.
The main reason to choose a panel switch over GenerLink is if your utility does not approve meter-mounted transfer switches, or if you have a 400-amp service (GenerLink is compatible with 200-amp service or less).
Check Utility Approval First
Before purchasing any transfer switch, confirm your utility’s requirements. GenerLink requires utility approval in most service areas — it’s a straightforward process, but it must happen before installation. Use our Utility Approval Checker to verify your status in minutes.