If you’re working with wire and cable, you know how important it is to have the right size, or gauge, on hand. Wire has to be the right size in order to keep electricity running safely and effectively, to be able to provide the right wattage load and handle the kinds of items you’re wiring. But choosing the right gauge means you need to consider factors like insulation, heat resistance, specialized coatings, and ratings for water. 10 gauge wire is a commonly needed wire size. This wire is often used for large appliances, like window air conditioners and dryers. 1o gauge wire can be the right choice for a number of different settings. If you need 10 gauge wire, you’ll want to make sure to check out the following top options.