Voltage Drop Calc gives line workers a tool to determine the proper wire size for an electrical circuit, based on the voltage drop and current carrying capacity of an electrical circuit. Available ...

For an efficient design, the conductor ampacity tables in Chapter 3 of the National Electrical Code (NEC) provide a starting point. But did the installation stay efficient over time? One way to ...

Don’t be one of those people who saves money by sizing conductors only as large as you have to (by Code), but then turns around and recommends a big investment in a new lighting system to save energy.