Which is better transfer switch or interlock?
Compared to a transfer switch, which is limited to a particular number of circuits, an interlock kit allows you to run power from a generator to any circuit within the electrical panel. While this is good in theory, there’s a risk of overloading the generator if it’s not sized according to the load.
What is interlock breaker?
A generator interlock kit (or just interlock kit) is a device designed to allow safe powering of a home by a portable generator during a power outage. The interlocked load breaker is repurposed as the “backfeed” breaker, and a generator is connected to it (wired directly or through a power inlet).
What is an interlock switch?
The interlock consists of one or more switches that prevent both main power and generator power from powering the dwelling simultaneously. Most interlock devices for electrical systems employ a mechanical device to manage the movement of circuit breakers.
Are interlock kits safe?
Why choose an interlock kit? When an interlock switch is properly installed, it prevents the generator circuit breaker and the main circuit breaker from both being on at the same time. An interlock kit is a safe and cost-effective way to ensure you’re using a portable generator safely.
How much does it cost to have an electrician install a transfer switch?
Hire an experienced, licensed electrician to install the transfer switch, which will cost an additional $200 to $400 depending on the size and complexity of the installation.
How much is an interlock kit?
In fact, Generators For Home Use is convinced that you can get an interlock kit for as little as $20….Average Generator Interlock Installation Cost.
| Cost to Install Interlock Kit For Generator | |
|---|---|
| Average Cost | $700 |
| Maximum Cost | $800 |
| Minimum Cost | $370 |
Are interlock switches safe?
When an interlock switch is properly installed, it prevents the generator circuit breaker and the main circuit breaker from both being on at the same time. An interlock kit is a safe and cost-effective way to ensure you’re using a portable generator safely.
How many types of interlocks are there?
Interlocking types. Interlockings can be categorized as mechanical, electrical (electro-mechanical or relay-based), or electronic/computer-based.
Is an interlock kit legal?
Generator interlock kits are legal in most parts of the US if they are approved by the UL under their standard UL 67. The interlock kits you install should have the UL listing otherwise they may be objected upon by electrical inspectors.