What's unusual about this number on air conditioner data plates is that it often doesn't jive with the chart I listed above. I mentioned that the minimum wire size for this air conditioner would have ...

Suppose you have a 60A breaker supplying a branch circuit. What size conductors do you need for that circuit? One table in the NEC says No. 8; another says No. 4. Which one is right? What does the ...

Because stationary batteries and 48VDC power systems serve as lifelines for telecommunication networks, the reliability of these systems is of the utmost importance. Many system designers rely on ...