Recent Posts
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Transformer
Operation of an 11kV to 400/230V Distribution Transformer
How a Distribution Transformer Steps Down 11kV to 230V and 400V (1-Phase and 3-Phase) What is a Distribution Transformer A…
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Electrical Wiring
How to Wire a 30A – 120V – NEMA 5-30 Receptacle
How to Install a 30A – 125V Receptacle (NEMA 5-30R) with GFCI / Breaker A 30A-125V NEMA 5-30 receptacle is…
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Electrical Wiring
How to Wire a 20A – 240V Outlet – NEMA 6-20 Receptacle
How to Install a Standard 20A – 240V Receptacle (NEMA 6-20) with Breaker and GFCI Protection A NEMA 6-20 receptacle…
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Electrical Wiring
How to Wire a 15A – 240V Outlet – NEMA 6-15 Receptacle
How to Install a Standard 15A – 240V Receptacle (NEMA 6-15) with Breaker and GFCI Protection A NEMA 6-15 receptacle…
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Batteries
How to Calculate the Right Size Battery? Battery Bank Size Calculator
Determine the Suitable Size of Battery Bank Capacity for Solar, Home & General Applications – Example & Calculator Direct usage…
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Electrical Wiring
How to Wire a 20A – 120V Outlet – NEMA 5-20 Receptacle
How to Install a Standard 20A – 120V Receptacle (NEMA 5-20) with Breaker and GFCI Protection A 20A – 120V…
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LED
LED Light Bulb Circuit – 230V / 120V Mains Operated LEDs
120V / 230V AC Mains Operated LED Light Bulb Circuit Diagram – Components, and Operation Years ago, lighting applications relied…
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Electrical Wiring
Why Does the High Leg Measure 208V Instead of 120V?
Why Does the High Leg Measure 208V to Neutral While Normal Hot-to-Neutral (L–N) Measures 120V? In North America, 208V is…
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Motors
Difference Between Rated Current and Nominal Current
Difference Between Rated Current, Nominal Current, Max Current and Relation with Full-Load Ampere (FLA) and Full-Load Current (FLC) The terms…
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LED
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…
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Power & Control
Protection
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Protection
Can I Use a 1-Phase Breaker on a 3-Phase Supply & Vice Versa?
Is It Possible to Use a Single-Phase Breaker in a Three-Phase System, and a Three-Phase Breaker in a Single-Phase System?…
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Protection
What Happens if You Use a 120V Device on 240V & Vice Versa?
Can We Operate a 120V Appliance on 240V Supply, or a 240V Equipment on 120V Supply? It is always recommended…
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Protection
Can You use a 15A Outlet on a 20A Circuit and Vice Versa?
Is It Permissible to Use a 15-Amp Receptacle on a 20-Amp Breaker, or a 20-Amp Receptacle on a 15-Amp Circuit?…
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Protection
Can I Use a 240V Breaker on a 120V Circuit and Vice Versa?
Is It Permissible to Use a Double Pole 240V Breaker on a 120V Circuit, or a Single Pole 120V Breaker…
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Must Know
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Solar Power
How Many Panels, Batteries, Charge Controller and Inverter Do I Need?
A Complete Guide About Solar Panel Installation. Step by Step Procedure with Calculation & Diagrams Below is a DIY (do…
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Transformer
How to Size a Single Phase and Three Phase Transformer in kVA? Calculator
How to Calculate the Rating of Single Phase & Three Phase Transformers in kVA We know that a transformer is always…
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Batteries
How to Calculate Battery Charging Time and Charging Current? – Example
Simple Battery Charging Time and Current Formula for Batteries (with 120Ah Battery Example) In this simple tutorial, we will explain…
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Electrical Wiring
Automatic UPS / Inverter Wiring Diagram Using One Live Wire
Automatic UPS System Wiring Diagram (One Live Wire & Standard Wiring) Automatic UPS / Inverter Connections In case of a…
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Electrical Energy
How To Calculate Your Electricity Bill? – Power Bill Calculator
How to Calculate Electricity Charges – Electric Bill Calculator + Solved Examples Calculating electricity bills and tariffs is generally straightforward…
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Electrical Wiring
How to Find the Proper Size of Wire & Cable In Metric & Imperial Systems
How to Determine the Suitable Size of Wire and Cable or Electrical Wiring Installation? Examples in Imperial and Metric Systems…
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