Controlling a Lamp from Five or Six Locations using 4-Way Switches or Intermediate Switches (3-Way)
In today’s basic home electrical wiring installation tutorial, we will show how to wire and control a light point from six different places by using two, 2-way switches and four intermediate switches following countries. While the same purpose can be achieved using the same switches known as 3-Way and 4-Way Switches in North
To keep things simple and understandable, we will use the following terms which are the same things but known as different
2-Way Switch & 3-Way Switch
SPDT (Single Pole, Double Throw) is known as Three-Way Switch
SPDT (Single Pole, Double Throw) is known as Two-Way Switch
3-Way Switch & 4-Way Switch
DPDT (Double Pole, Double Throw) is known as 4-Way Switch or Crossover Switch. The pair of wires connecting the 4-way and 3-way switches are known as travelers.
DPDT (Double Pole, Double Throw) is known as 3-Way Switch or Intermediate Switch. The pair of wires connecting the 3-way and 2-way switches are known as strappers.
There is no difference between 4-way switch (NEC) and 3-Way switch IEC e.g. it represents the same thing. In short, a 4-Way Switch or 3-Way (Intermediate) Switch is a DPDT is a “Double Pole Double Throw” switch having four terminals.
Recommended Switches wiring tutorials to understand these configurations:
How to Wire Single Pole, Single Throw (SPST) as 2-Way & 1-Way Switch? IEC & NEC
How to Wire Single Pole, Double Throw (SPDT) as 3-Way & 2-Way Switch? IEC & NEC
How to Wire DPDT as 4-Way Switch & Intermediate Switch as 3-Way
Before going into details, we have to show the basic construction and operating mechanism of single way switch and intermediate switch.
We have posted a detailed post about What is Intermediate Switch & Its Construction, Working & Uses in Electrical Wiring
An intermediate switch is commonly used in basic home electrical wiring installations i.e. staircase wiring, two-way switching, corridor & hallway wiring, hostel wiring, godown wiring, tunnel wiring, hospital wiring, three way switching as well as controlling a light point from different places with the help of using 2-way switches.
Related Posts:
How To Wire Switches in Series?
How To Wire Switches in Parallel?
Controlling a Lamp from Five Locations using 4-Way Switches & 3-Way Switches – NEC
Requirements:
2No. of 3-Way Switches (SPDT = Single Pole Double Through) x 2 No
1No. of Light Bulb) x 1 No
Short pieces of wires as needed.
Procedure:
Just connect three 4-way switches in the middle of the two, 3-way switches as shown in the wiring diagram. The circuit is capable of controlling the light bulb from five different locations. You may control the lighting point from any number of places by adding additional 4-way switches in the middle of the circuit i.e. in between two, 3-way switches.
Controlling a Lamp from Six Places using 3-Way (Intermediate) Switches & 2-Way Switches – IEC
We will use two, 2-way SPDT (Single Pole Double Through) switches and four intermediate switches (3-way) to control the lamp from six different places.
Good to know: You can control a lighting point from as many different places as you want by using two, 2-way switches and the required number of intermediate switches needed to control the light bulb (or any other electrical appliances) from different locations and places .
Requirements:
Two Way Switches (SPDT = Single Pole Double Through) x 2 No
Lamp (Light Bulb) x 1 No
Short pieces of cables & wires x 12 No
Procedure:
Just connect four intermediate switches in the middle of the two, 2-way switches as shown in fig below. The circuit is capable of controlling the light bulb from six different places. You may control the bulb from more than six places by adding additional intermediate switches in the middle of the circuit i.e. in between two, 2-way switches.
Working of the Circuit:
If both two-way switches are at OFF or ON position, the light bulb will switch ON and glow and the bulb may be controlled (To Switch ON or OFF) by pressing any intermediate switch. In other words, you may switch ON or OFF the light point by just pressing any switch no matter if it is the two switch or intermediate switch.
Controlling a Lamp from Five or Six Locations using 4-Way Switches or Intermediate Switches (3-Way)
In today’s basic home electrical wiring installation tutorial, we will show how to wire and control a light point from six different places by using two, 2-way switches and four intermediate switches following countries. While the same purpose can be achieved using the same switches known as 3-Way and 4-Way Switches in North
To keep things simple and understandable, we will use the following terms which are the same things but known as different
2-Way Switch & 3-Way Switch
SPDT (Single Pole, Double Throw) is known as Three-Way Switch
SPDT (Single Pole, Double Throw) is known as Two-Way Switch
3-Way Switch & 4-Way Switch
DPDT (Double Pole, Double Throw) is known as 4-Way Switch or Crossover Switch. The pair of wires connecting the 4-way and 3-way switches are known as travelers.
DPDT (Double Pole, Double Throw) is known as 3-Way Switch or Intermediate Switch. The pair of wires connecting the 3-way and 2-way switches are known as strappers.
There is no difference between 4-way switch (NEC) and 3-Way switch IEC e.g. it represents the same thing. In short, a 4-Way Switch or 3-Way (Intermediate) Switch is a DPDT is a “Double Pole Double Throw” switch having four terminals.
Recommended Switches wiring tutorials to understand these configurations:
How to Wire Single Pole, Single Throw (SPST) as 2-Way & 1-Way Switch? IEC & NEC
How to Wire Single Pole, Double Throw (SPDT) as 3-Way & 2-Way Switch? IEC & NEC
How to Wire DPDT as 4-Way Switch & Intermediate Switch as 3-Way
Before going into details, we have to show the basic construction and operating mechanism of single way switch and intermediate switch.
We have posted a detailed post about What is Intermediate Switch & Its Construction, Working & Uses in Electrical Wiring
An intermediate switch is commonly used in basic home electrical wiring installations i.e. staircase wiring, two-way switching, corridor & hallway wiring, hostel wiring, godown wiring, tunnel wiring, hospital wiring, three way switching as well as controlling a light point from different places with the help of using 2-way switches.
Related Posts:
How To Wire Switches in Series?
How To Wire Switches in Parallel?
Controlling a Lamp from Five Locations using 4-Way Switches & 3-Way Switches – NEC
Requirements:
2No. of 3-Way Switches (SPDT = Single Pole Double Through) x 2 No
1No. of Light Bulb) x 1 No
Short pieces of wires as needed.
Procedure:
Just connect three 4-way switches in the middle of the two, 3-way switches as shown in the wiring diagram. The circuit is capable of controlling the light bulb from five different locations. You may control the lighting point from any number of places by adding additional 4-way switches in the middle of the circuit i.e. in between two, 3-way switches.
Controlling a Lamp from Six Places using 3-Way (Intermediate) Switches & 2-Way Switches – IEC
We will use two, 2-way SPDT (Single Pole Double Through) switches and four intermediate switches (3-way) to control the lamp from six different places.
Good to know: You can control a lighting point from as many different places as you want by using two, 2-way switches and the required number of intermediate switches needed to control the light bulb (or any other electrical appliances) from different locations and places .
Requirements:
Two Way Switches (SPDT = Single Pole Double Through) x 2 No
Lamp (Light Bulb) x 1 No
Short pieces of cables & wires x 12 No
Procedure:
Just connect four intermediate switches in the middle of the two, 2-way switches as shown in fig below. The circuit is capable of controlling the light bulb from six different places. You may control the bulb from more than six places by adding additional intermediate switches in the middle of the circuit i.e. in between two, 2-way switches.
Working of the Circuit:
If both two-way switches are at OFF or ON position, the light bulb will switch ON and glow and the bulb may be controlled (To Switch ON or OFF) by pressing any intermediate switch. In other words, you may switch ON or OFF the light point by just pressing any switch no matter if it is the two switch or intermediate switch.
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