How To
-
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,…
Read More » -
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 &…
Read More » -
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,…
Read More » -
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,…
Read More » -
How to Wire Single Pole, Double Throw (SPDT) as 3-Way Switch?
Installation of SPDT – 3-Way Switch (NEC) AKA 2-Way Switch (IEC) for 120/240V & 230V AC – 3-Way & 2-Way Circuits What is SPDT Switch? SPDT (stands for Single Pole…
Read More » -
How to Wire Single Pole, Single Throw (SPST) as 2-Way Switch?
Installation of SPST – 2-Way Switch (NEC) AKA 1-Way Switch (IEC) for 120/240V & 230V AC – 2-Way & 1-Way Circuits What is SPST Switch? SPST (stands for Single Pole…
Read More » -
Scott-T Connection of Transformer
What is Scott Connection or Scott-T Transformer? Scot Connection Scott connection is a type of connection of transformer that used to get two-phase power supply from three-phase source or vice-versa.…
Read More » -
Sumpner’s Test or Back-to-Back Test on a Transformer
Sumpner’s Test or Back-To-Back Test on Transformer for Efficiency, Voltage Regulation, & Heating Effect The open-circuit test and short circuit test are performed to determine the equivalent circuit parameter. With…
Read More » -
Short Circuit Test and Open Circuit Test of Transformer
Open Circuit (No Load) and Short Circuit (On-Load) Test of a Transformer As we have seen in the equivalent circuit of transformer, there are four main parameters; Equivalent resistance (R01)…
Read More »