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Subjects>Engineering & Technology>Electrical Engineering

How do you control a lamp from three different positions?

Anonymous

∙ 12y ago

Updated: 9/15/2023

we use 2-3way switch and 1-4way switch

Wiki User

∙ 12y ago

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Continue Learning about Electrical Engineering

What are the different types of lamp holders?

what is surface type lamp holder

What is the basic operation of 220 volts flashing lamp?

Basically the circuit to the lamp opens and closes in a specific amount of times per minute. In some models this can be varied with a control circuit that allows the operator to set how many times the lamp is to flash per minute.

How do you connect a 230V lamp to a 415V supply with no neutral?

Theoretically, you could connect three identical lamps in star (wye) and connect this to the three line conductors. But as you asked how to connect a (single) 230-V lamp to the supply, then the answer is by using a step-down transformer.

What is nonlinear resistance?

A nonlinear resistance is a resistance which is different for different voltages ie current is not proportional to voltage. An example of this is the filament of an incandescent lamp.

Can 240volt or higher be transformed into 12 volt easily?

YES. CHECK CONTROL TRANSFORMERS INSIDE MOTOR STARTER OR MOTOR CONTROL CENTERS IS A GOOD EXAMPLE EVEN UP TO 6 V PILOT LAMP.

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