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...meaning of computed load?

<< Back to: Electrical Wiring FAQ (Part 1 of 2)

Question by Tom
Submitted on 11/15/2003
Related FAQ: Electrical Wiring FAQ (Part 1 of 2)
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What is the meaning of computed load?

Answer by D.Tiwari
Submitted on 4/7/2004
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Any unit that consumes electrical power represents a load to an electrical power system. When you have calculated the currents drawn by those units when they are all on, then depending on how far those units are from their source of power, you will be able to determine the fuse ratings and the length or proper guage of cables to use.


Answer by Patrick
Submitted on 1/18/2005
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Computed Load
You could call any load that you calculated a computed load.  As a 120 volt electric heater that draws 10 amps would be:
   P=V*A  = (120v)*(10a) = 1200 Volt-Amperes (Watts).
However, I am a fourth year electrical apprentice and we use Computed Load as being in compliance with Article 220 of the National Electrical Code (NEC).
NEC 220 provides requirements for computing branch-circuit, feeder and service loads.
NEC 220 Part I   - General and Computations of Branch Circuit Loads.
NEC 220 Part II   - Feeders and Services


Answer by khris@nemetrotec
Submitted on 11/8/2005
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the meaning of computed load is the computation of total amps drawn from a circut.


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