APC has published a free online seminar. All you have to do is go to www.apc.com/promo, enter the code 68502D, fill out the form, and take the "Basic Rack Principles" seminar. I hope you find it helpful.
Yuri Bravo's Blog
Technology, projects and lifelong learning | Technology, projects and lifelong learning
Yuri Bravo's Blog
Technology, projects and lifelong learning | Technology, projects and lifelong learning