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to wire a lamp to be controlled from three places you need two three way switches and one four way switch. the two traveller wires that would normally run between the two three way switches must be connected to the terminals of the four way switch

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What is a RP1B control device on a light fixture?

RP1B is a type of control device commonly used in lighting fixtures for dimming and switching functions. It provides a way to regulate the amount of light output from the fixture based on user preferences or automation settings. RP1B control devices can typically be connected to a central management system for coordinated control of multiple fixtures.


What is a intermediate switch?

An intermediate switch is a switch of 4 terminals which is used to control devices from more than 2 locations. If you want to control a device (eg. lamp) from one location you use a normal switch, you could see two terminals behind it. If you want to control from two locations you use a 2-way switch (3-way in American vocabulary), you could see three terminals behind it. But if you want the device to be controlled from more locations, you need to use what is called the "Intermediate Switch". It is to be used in conjunction with other 2-way or intermediate switches. Technically speaking, an intermediate switch is similar in structure to a Double Pole Double Throw (DPDT) with the throw contacts of a pole is interconnected to that of the other pole. Consider the stairs of a G+2 storey building. You usually have three switches -one on Ground floor, second switch on the first floor and the third on the second floor, isn't it? You need to turn-on & off the light from all locations. Then, you need to use an intermediate switch in between two 2-way switches (Can also use all three intermediate if economy doesn't matter). If you require switches in 5 locations, go for two 2-way switches in the first and last points and three intermediate switches in the rest of the locations. In each intermediate switch you could see two sets of terminals. The two wires coming from one direction is connected to one set of terminals and new two wires are connected to the other two terminals and taken to the next switch in line. Also see section 5 of http://en.wikipedia.org/wiki/Switch


How can an intermediate switch be used with a 2-way switch system to control a light from four floors?

A two way switch is UK terminology for a North American three way switch. Though the switch has two names it is still a Single Pole Double Throw switch that has three terminals. North American terminology. The circuit is the same as the three way switch system. To control from four locations just add another intermediate switch. For the system to work properly the new intermediate switch has to be adjacent to the existing intermediate switch. The connections must run - three way, intermediate, intermediate, three way.


Do aliens control the weather?

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What are the three categories of methods to ensure reliable switching in series configuration?

The three categories of methods to ensure reliable switching in series configuration are: 1) Mechanical methods, such as using high-quality switches and relays, 2) Electrical methods, such as providing adequate insulation and protection circuits, and 3) Monitoring and control methods, such as using feedback systems to detect and prevent switching failures.

Related Questions

What are the benefits of installing a recessed light switch in a room?

Installing a recessed light switch in a room can provide a sleek and modern look, save space on the wall, reduce the risk of accidental switching, and offer convenient control of the lighting.


Can you provide a three way light switching diagram for me to understand the wiring configuration better?

A three-way light switching diagram shows how two switches can control one light fixture. In this setup, one switch is connected to the power source, the other switch is connected to the light fixture, and the two switches are connected to each other. This allows you to turn the light on or off from either switch.


How does a 3-way switching circuit work to control the lighting in a room?

A 3-way switching circuit uses two switches to control a single light fixture from different locations. The switches are connected in a way that allows either switch to turn the light on or off, regardless of the position of the other switch. This setup creates a convenient way to control the lighting in a room from multiple entry points.


How do you control the broadcast?

by installing switch you can control the broadcast


Which enzyme is called the enzyme of enzymes?

The Kinase-enzyme class of enzymes. They, collectively and solely, control all Cellular processes by phosphorylating - switching ON - control elements and de-phosphorylating - switching OFF - other control elements.


What do mean by time division switching?

Time division space switching:-suppose there are 'n' input lines and 'n' output lines connected to the bus each via switches.The switches being controlled by the decoder using the counters and control memory etc.So in the most basic form there is a counter connected to an n to 2^n decoder which controls the connection of the input and the output line to the bus.2 basic types are:input controlled time division switchingoutput controlled time division switching


How can I add a switch to an outlet for better control of the connected device?

To add a switch to an outlet for better control of the connected device, you can install a switch in between the outlet and the device. This allows you to easily turn the device on or off without unplugging it from the outlet. It's important to follow proper electrical wiring procedures and safety precautions when installing the switch.


What is air switching valve?

to control the flow of air fuel mixture


What is a RP1B control device on a light fixture?

RP1B is a type of control device commonly used in lighting fixtures for dimming and switching functions. It provides a way to regulate the amount of light output from the fixture based on user preferences or automation settings. RP1B control devices can typically be connected to a central management system for coordinated control of multiple fixtures.


What has the author D Shyy written?

D. Shyy has written: 'Information switching processor (ISP) contention analysis and control' -- subject(s): Switching circuits


What is difference between switchgear and MCC?

switch gear is apparatus used for switching,controlling and protecting the electrical circuit and equipment. MCC (motor control centers) is switch gear cabinet single operator panel.motor control centre groups of motor controllers and related devices in a compact structure.MCC is a bunch of motor feeders from where you can control power to connected motors.that's why it is called motor control center.


Which access control method provides the highest bandwidth to the senders and receivers it connects?

switching