Electrical Design
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Why Doesn’t DC System Require a Grounding System Similar to AC System?
Grounding System in DC Power Supplies and Network – Advantages and Drawbacks Actually, grounding and earthing are not required for either AC or DC systems to function. However, grounding via…
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Why are Capacitors Connected in Series in Power Lines?
Why are Capacitors Connected in Series with Power Transmission Lines? While capacitors are often associated with shunt applications for power factor correction, series capacitors are widely used in transmission lines…
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Why is a Capacitor Bank Connected in Parallel and Not in Series for P.F?
Why is a Capacitor Bank Connected in Parallel and Not in Series for Power Factor Correction? Capacitor banks are used to improve power factor and voltage regulation in electrical systems.…
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How to Calculate the Floor Area For General Lighting?
Determining the Floor Area of a Dwelling Unit For General Lighting – Solved Example Based on NEC-2023 Sizing Floor Area for Lighting Determining the number of general lighting circuits in…
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How to Determine the Number of Lighting Branch Circuits?
How to Determine the Number of Lighting Branch Circuits for Dwelling and Non-Dwelling Units – NEC 2023 According to NEC Article 100 – Definitions, a branch circuit refers to the…
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How to Determine the Number of Branch Circuits? – 3 Ways
How Many Branch Circuits Do You Need in a Dwelling Unit for Lighting Applications? 3-Methods with Examples Before determining the required number of circuits and associated calculations, let’s define and…
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Why Does Japan Use Both 50Hz and 60Hz in Its Power System?
Why and How Does Japan Use Both 50Hz and 60Hz Frequency in its Electrical Power Systems? Japan uses both 50Hz and 60Hz power frequencies due to historical and logistical reasons…
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What Happens if the Neutral is Lost in the Main or Subpanel?
What Will Happen When the Neutral is Broken in the Main Panel or Subpanel? The neutral wire provides a return path for current back to the power source, completing the…
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Why Must Neutral and Ground Wires Be Bonded in the Main Panel?
Why Do Neutral and Ground Conductors Need to Be Bonded in the Main Panel? According to NEC Article 250, both the neutral and ground wires must be connected only in…
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Why are Neutral and Ground Wires Separated in a Subpanel?
Why Do Neutral and Ground Conductors Need to Be Separated in a Subpanel? According to NEC Article 250, neutral and ground wires must remain separate in subpanels. Bonding (connecting) the…
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