Protection
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Why are there Grooved Slots in the Pins of Two Pin Plugs?
Why are the Pins are Slotted in the 2 or 3-Pin Plugs? Threaded slots are commonly found in Type A, Type B, Type C (Europlug), Type E/F, and Indian standard…
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How to Size a Branch Circuit Conductors with Protection?
Sizing of Branch Circuits and Conductors with Protection Supplying from OPCD to the Final Load Point Branch Circuit According to NEC 100 – Definitions, branch circuits are the circuit conductors…
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How to Size Feeder Conductors with Overcurrent Protection
Sizing of Feeder Conductors with Protection Supplying from Main Panel to the Subpanel or Branch Circuits Feeder Conductors According to NEC 100 – Definitions, feeders are all circuit conductors between…
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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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Is It Dangerous to Carry a Battery in an Elevator?
Does Carrying Large Rechargeable Batteries in a Lift Pose a Risk? A viral video shows a man carrying a lithium-ion battery that suddenly explodes in his face after he closes…
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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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