Electrical Design
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Why Do Prongs in Electrical Plugs Have Holes in Them?
Why Do Electric Plugs Have Holes in the Prongs? As you may have already noticed the two little holes near each prong’s tip in an electric plug. If not, there…
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Difference Between Solid-State Relay and Electromechanical Relay
Difference Between Electromechanical and Solid-State Relay – SSR vs EMR Solid State Relay (SSR) and Electromechanical Relay (EMR) are both different types of electrical relays used in electronic circuits. Both of…
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Why are Salt and Charcoal Added in Earthing Pit for Grounding?
Why We Must Put Charcoal and Salt for Earthing and Grounding? For proper earthing and grounding, it is very important to maintain low resistance of grounding / earthing conductors by…
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How to Control One Light Bulb From Two Different Locations?
2-Way & 3-Way Switching Connections – Electrical Wiring Diagrams What is Two Way & Three-Way Switching Circuits? Two-way switching or (three-way circuits in the US) connection is used to control…
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How to a Wire Double 3-Way Combination Switch Device?
Installation of Double Three-Way Switch Combo Device for Common & Separated Feed What is a Double 3-Way Combo Switch Device? A Three-Way combo switch device is actually the combination of…
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How to a Wire 3-Way Combination Switch and Grounded Outlet?
Installation of Three-Way Combo Device for Common and Separated Feed What is a 3-Way Combination Device? A Three-Way combo device with an outlet is actually the combination of a grounded…
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How to Wire Double Switch? 2-Gang, 1-Way Switch – IEC & NEC
Installation of Combination Double Switch (NEC) AKA 2-Gang, 1-Way Switch (IEC) for 120/240V & 230V AC What is Combination Double Switch (AKA 2-Gang, 1-Way Switch)? Double Switch (NEC) or 2-Gang,…
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How to Wire 4-Way Switch (NEC) or Intermediate Switch as 3-Way (IEC)?
How to Wire an Intermediate Switch as Three-Way Switching & Wiring Crossover Switch as Four-Way Switching – IEC & NEC What is 4-Way Switch and 3-Way Switch – NEC &…
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How to Wire Double Pole, Double Throw Switch? Wiring DPDT
How to Wire an DPDT Switch? Controlling 120V/240V & 230V Circuit using Double Pole, Double Throw Switches What is Double Pole, Double Throw (DPDT) Switch? DPDT stands for Double Pole,…
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How to Wire Double Pole, Single Throw Switch? Wiring DPST
How to Wire an DPST Switch? Controlling 120V/240V & 230V Circuit using Double Pole, Single Throw Switches What is Double Pole, Single Throw (DPST) Switch? DPST stands for Double Pole,…
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