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Garage Electrical WiringIf you don't know how to wire a garage, then you might be surprised by how much garage electrical wiring you can do yourself. You don't have to be an electrician to do electrical work. However, you have to know what you're doing. This includes a basic understanding of electricity itself, as well as residential electrical wiring techniques and codes. How many amps should your garage circuit breakers be? Typically, 20 amps. However, all of your garage electrical wiring should be thought out. Ultimately, the amount of garage electrical wiring you'll need depends on what you intend to do in your garage. Four key things to consider are heating, lighting, tools, and appliances. Typically, large heaters, appliances, and tools should have their own circuit, whereas several light fixtures and receptacles can share the same circuit. Whether you're adding a detached garage, finishing your existing garage, or adding a new circuit, it's always a good idea to start with a plan. You need to figure out where you want the receptacles, lights, and light switches. Think about the total amount of amps you plan on consuming. You can do this by looking at the manufacturer's labels on all of the tools and appliances you'll be using. Some tools or appliances may require a dedicated circuit with a particular amount of amps (and volts), so make sure you know what you need before you do any garage electrical wiring. Knowing what you need will help you avoid over-wiring your garage, yet keep you from under-wiring your garage. I've heard of cases where people have ended up over-wiring which caused them to run out of money for some of the appliances and tools they originally budgeted for. Do you need 240 volts in your garage (US)? In the US, electrical house wiring is fed by 120 volts. However, by picking up the second hot leg in your panel, your garage electrical wiring can deliver 240 volts. Why bother? Devices like saws and compressors work better, smoother and last longer running at 240 compared to 120. This is especially true for motors larger than ¾ HP. Also, heaters that run on 240 are much more efficient than heaters that run on 120. In fact, a 240 heater will give you thousands more BTU's for the money. For more on garage heat, check out this page . Many types of clothes dryers, welders, grinders, routers, battery chargers, and other tools are designed specifically to run on 240. So, if you're planning on doing any automotive or project work in your garage, then definitely install a 240 circuit. How much garage electrical wiring can you do, and how much should you hire out? Homeowners who don't know how to wire a garage can safely do a lot of the work, then hire out the dangerous stuff. Of course, all of the work has to be done to code, but with a little bit of code research, plenty of garage electrical wiring can be pre-run without landing anything to a breaker. Local and national codes will tell you what size wire you'll need as well as the requirements on how to run it. In addition to the actual runs to and from, the receptacles and switches can safely be wired as well. Once these steps are complete, it's time to install the new breakers and land the new circuits to them. This is where the danger comes into play. You'll have to make a decision at this point to finish it yourself, or have an electrician come out and do it for you. Even if you have to hire it out, you've saved yourself a ton by doing most of the work yourself. Remember… Garage electrical wiring is dangerous even if you know what you're doing. You MUST follow all national and local electrical codes. So, if you're like me (not an electrician), then be sure to research the use of electricity and residential electrical wiring, before doing any electrical work in your garage. I can not stress safety enough, and I can not be held responsible for any result of using the information on this website (see the disclaimer page for this website). Ok, on to the links. I've hand-picked the following links because they're easy to read, easy to follow, and full of excellent garage electrical wiring information for homeowners. About electricity: Great introduction of electricity for newbies. Nice website regarding basic electrical theory. Electrical delivery standards for wherever you are in the world. General residential electrical wiring links: A typical garage wiring FAQ from the City of Lakewood, Ohio. An informative article about adding receptacles to an unfinished garage. Great info on detached garage wiring. General residential electrical wiring links: Very nice FAQ on electrical house wiring. Excellent, must see tutorial about residential electricity. Return from Garage Electrical Wiring to Home
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