NEC
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Lighting
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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Lighting
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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Electrical Wiring
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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Basic Concepts
Why Do Americans Use Gas Kettles Instead of Electric Kettles?
Why Do People in the US Primarily Use Gas Stoves for Boiling, While Electric Kettles Are More Common in the UK and Europe? Americans tend to boil water on gas…
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Power System
Why is the Neutral Wire Size Smaller than the Phase Wire?
Why is the Size of the Neutral Conductor Smaller than the Line Conductor in a Polyphase System? In a three-phase (poly-phase) system, the Neutral wire may sometimes be smaller than…
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Protection
Why is the Ground Wire Size Smaller than the Hot Wire?
Why is the Size of the Ground Conductor Smaller than the Line Conductor? The ground wire does not always have to be the same size as the power (phase or…
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Protection
Why Do We Need a GFCI & How Does it Protect During Faults?
Why Do We Need a GFCI Breaker and How Does it Protect During Ground Faults? A Ground Fault Circuit Interrupter (GFCI) is designed to protect circuits by detecting electrical faults…
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Protection
How Does a Standard Breaker Respond to Electrical Fault?
How Does an Ordinary Circuit Breaker Operates During Short Circuit, Overload & Ground Faults? When a standard circuit breaker detects a fault, such as an overload or short circuit, it…
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Protection
Why Doesn’t a Standard Breaker Protract Against Ground Faults?
Why Does a Standard Breaker Pose a Shock Hazard with a Broken Neutral? A broken neutral in a circuit with a standard breaker can pose a shock hazard because the…
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Protection
How Do GFCI and Standard Breakers Respond to Ground Faults?
How Does a GFCI Breaker Protect Us in Case of a Fault, Compared to Standard Breakers? An ordinary circuit breaker in the main panel for household appliances protects only in…
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