to do so, you should be fully comfortable with how everything works and how it needs to be put together for your particular situation. you don’t want to be figuring this out with a flashlight in an emergency situation, and you don’t want to find out you are short an extension cord or a few other items when you really need them. you can even mark things and write down what goes to what, create a list and a map of the things you will need to hook up. test your system once or twice a year, do a dry run to make sure everything still works, you can also 