Electrical Wiring
Electrical Wiring Installation Tutorials
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Should You Connect GND and 0VDC? Combined AC & DC Grounding
Should the DC Circuit’s Common be Connected to the Earth (Ground)? In electrical and electronic circuit design, one of the common questions that arise is whether to connect AC Ground…
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Can you Combine AC and DC Ground in a Solar Installation?
Is it Permissible to Interconnect AC and DC Grounding in a Solar Installation? Is It Allowed to Use the Same Ground Rod for DC and AC Grounding in a PV…
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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 Do LED Indicator Lights Glow Even When Switched OFF?
Why Does the Indicator Light in Some Electrical Appliances Not Turn Off Immediately After the Switch is Turned OFF? You may have observed that when the supply to certain electrical…
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Automotive Blade-Type Fuse Color Codes with Ampere Ratings
Types of Vehicle Fuses and Blade-Type Fuse Color Codes with Current Ratings Vehicle and Automotive Fuses A fuse in a vehicle is a safety device designed to protect the electrical…
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Wire Nuts and Connectors Color Codes – Wire and Gauge Sizes
How to Select Proper Connector and Wire Nut Based on Colors, Numbers of Wires and AWG Sizes? Wire nuts and connectors are indispensable components in electrical engineering and wiring systems.…
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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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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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