Electrical Panel Load Calculation Software

Total electrical capacity of an electrical service is measured in amperage amps.
Electrical panel load calculation software. Loadcalc panel schedule performs load calculations for residential commercial and industrial occupancies. In very old homes with knob and tube wiring and screw in fuses you may find the original electrical service delivers 30 amps slightly newer homes built before 1960 may have 60 amp service. Demand factoring neutral loads panel schedules panel directory reports and more all in compliance with the most current national electrical code requirements. The purpose of the residential electrical load calculation is to accurately determine the size of the electrical service base upon the electrical equipment that will be installed.
Knowing how to correctly size loads in commercial applications is an essential skill for electricians. In electrical engineering a circuit consists of a voltage source and a load i e. In many homes built after 1960 or upgraded older homes 100 amps is the standard service size. But an electrician has told us we are approaching the upper limit of our service.
By my reckoning this should be 7a per phase or perhaps i m missing something. Loadcalc panel schedule new 2020 nec version. When speaking about a building s electrical panel the load is comprised of the dozen or so branch circuits leading from the panel to various parts of the building. Flashworks takes the work out of the calculation process.
A click of the mouse and the calculation is complete and displayed on the screen. In 1974 mike realized there was a need for quality electrical training and opened mike holt. Commercial electrical load calculations. Calculations can be performed as fast as one can enter the information into the predesigned entry screens.
The national electrical codes are the basis of making sure the electrical service is sized properly and installed correctly. Even if you work with stamped drawings you ll eventually need to do commercial load calculations in the field or on a licensing exam. Mike holt worked his way up through the electrical trade from apprentice electrician through electrical contractor to become one of the most recognized experts in the world as it relates to electrical power installations. Again with 5kw 3ph load these sections show 2a per phase.
We are looking for clarification on your electric load calculator. The part of the circuit that draws power from the source. He was a journeyman electrician master electrician and electrical contractor. We have an all electric house which currently has a 200 amp service.
When we use your calculator it tells us our service should be larger than 200 amps. Soof the phase currents given under load details on main panel and feeder wise electrical load on main panel do not appear correct when using 3 phase loads.