Electrical Wiring
Electrical Wiring Installation Tutorials
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How to Size Service-Entrance Conductors and Feeder Cables?
Sizing of Service-Entrance Conductors, Feeders and Service Disconnecting Means Service-entrance conductors for the service disconnect and main panel, as well as feeder cables for subpanels, must be properly sized in…
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How to Size Equipment Grounding Conductor (EGC)?
What is Equipment Grounding Conductor? Sizing EGC for Grounding Systems The Equipment Grounding Conductor (EGC) is a main part of the electrical bonding and grounding system, ensuring the safe dissipation of…
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How to Size Grounding Electrode Conductor (GEC)?
What is Grounding Electrode Conductor? Sizing GEC for Grounding in AC Systems For a proper grounding system, the following step-by-step guide can be used to determine the suitable size of…
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Grounding and Methods of Earthing in PV Solar System
Methods of Earthing and Grounding in PV Solar Panel Systems Grounding (also known as earthing) is the process of physically connecting the metallic and exposed parts of a device to…
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Difference Between GND, 0VDC, Common and Virtual Ground
Comparison Between Ground (GND), Chassis Ground, 0VDC, Common (COM) and Virtual Ground The terms GND (Ground), Virtual GND, 0VDC, and Common (COM) may appear similar and are sometimes used interchangeably,…
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What is the Difference Between AC Ground and DC Ground?
Comparison Between AC Grounding and DC Grounding and Key Differences The difference between AC ground and DC ground lies in their reference points, behavior in circuits, and their roles in…
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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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