Hot answers tagged garage
I assume you are in the USA. The heater is probably a pure 240V load with no need for the neutral (white) wire. you should simply cap the white wire with a wire nut and tuck it back into the electrical box.
Your panel is a 12/24, so every space can have a tandem or even quad breaker. That's what 12 space, 24 circuit means. In the panel schedule you may even see a line or dotted line through the middle of each breaker space. A single 20A breaker can certainly have all that on it, but the question is should it? It all depends on what you will be running ...
There are a lot of questions to ask before an answer can be given: What climate are you in? Is the garage heated or insulated? Is the hot water heater gas, electric, oil, solar, nuclear, gerbil-powered? Are going to do this yourself? You can probably get some pretty good, free advice on this by calling one or two plumbers to come out and give you a quote ...
I'd go two screws per wall stud thru the top and middle shelf. The weight of the thing is supported by the structure itself so all you need to do is keep it from falling over. Use a 4 1/2 inch timber tech or a 5/16 lag with a washer and you'll have two inches of screw into the stud which is adequate but a minimum. Make sure you install shims or a spacer to ...
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