Photocell sensor light wiring:

This diagram shows how to make Photocell sensor light wiring. In this circuit, we use a TP MCB ( Tripple Pole Miniature Circuit Breaker ), an FP MCB ( Four Pole Miniature Circuit Breaker ), a photocell sensor, a magnetic contactor, and 3 spotlights. First, we need to connect the TP MCB with the power source, then connect the FP MCB with the TP MCB, then connect the photocell and magnetic contactor with the FP MCB, lastly, we need to connect the spotlights with the contactor.


Diagram of Photocell sensor light wiring:

Photocell sensor light wiring

Components needed For this Project:

You can get the components from any of the sites below:

  1. TP MCB 32A [See Buy Click Amazon]
  2. FT MCB 30A [See Buy Click Amazon]
  3. Magnetic Contactor 40A [See Buy Click Amazon]
  4. CFL Light [See Buy Click Amazon]
  5. Motion Sensor [See Buy Click Amazon]

*Please note: These are affiliate links. I may make a commission if you buy the components through these links. I would appreciate your support in this way!

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Components used to make the Photocell sensor light wiring:

01. TP MCB:

The full meaning of MCB is Miniature Circuit Breaker for TP MCB. MCB is an electromagnetic switch or device. If for any reason a short circuit occurs in the supply line or load line (line to line or line to neutral) or in case of overload MCB. the MCB automatically trips and disconnects the main line circuit or household power supply Connection. TP MCB In 3 Pole MCB, Switching & Protection is affected in only 3-Phases and the Neutral is not part of the MCB. 3 pole MCB signifies the Connection of Three Wires for a 3-Phase system Red-Yellow-Blue Phase. 3-Phase Supply Only Without Neutral.

02. FP MCB:

4 pole MCB for 4-Wires Connections, the one additional 4th pole for Neutral Wire Connection so that between Neutral and any of the other three will supply. In 4-Pole MCB the Neutral Pole is also having Protective release as in the Phase Poles connection. 3 Phase Supply with Neutral. TPN means triple pole TP + Neutral which is 3 - phases and Neutral. but the Protection is given for 3 Phases only and in 4 poles MCB Protection is given to all 3-Phases as well as Neutral. In the case of a 4-pole MCB. A Purpose is not to protect the Neutral but it is rather to Isolate the Neutral.

03. Magnetic Contactor:

A magnetic contactor is an electromagnetic switching device. It is generally used for controlling 3-phase Motors. The operation of a magnetic contactor is similar to that of a Relay. but a relay is used for low-power or low-voltage connections, and a magnetic contactor is used for high-power or high-voltage connections. As soon as the supply is applied to the magnetic contactor coil. its normally open contacts are closed and normally closed contacts are opened and the associated devices are also operated. This is how a magnetic contactor works.

04. CFL Light:

CFL stands for Compact Fluorescent Lamp which is an improved version of tube lights of earlier days. Like tube lights, it is a vacuum glass tube with fluorescent powder coating which is not as long and straight as tube lights but curved/twisted compact, or small in size. Like a tube light, it has electrodes or filaments at both ends. But in this case, instead of a choke, there is an electronic circuit that drives the Compact Fluorescent Lamp. Because the red wave is less in the light of the Tubelight and Compact Fluorescent Lamp, the object looks a little pale or the correct color of the object does not appear.

05. Photocell Sensor:

Photocells and Motion Sensors are Electronic Devices you can use to Manage Indoor or Outdoor Lighting. The Main Difference Between Photocells and Motion Sensors is that the Former Detects change in light Levels, and The Latter React to Physical Movement. Movement in the Detection area Changes the Reflected Signals and Activates the Sensor. They also save Energy by Turning Themselves off when Light is Unnecessary. Many Motion Sensors use a Combination of Detection Methods to Provide enhanced Coverage and eliminate false positives. The adjustable timers built into some Sensors let you Control how long the Attached Lights Remain Active after it Detects Motion.

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Frequently asked questions

How do you connect a photocell sensor?

Connect the sensor's black wire to the black wire coming from the house. Connect the red sensor wire to the light's black wire. Connect all 3 white wires (from the house, from the sensor, and the light) together.

Does a photocell need a neutral?

A photocell switch, also known as a photoelectric sensor and photocell, does not typically require a neutral wire for its operation. Photocell switches are used to detect the presence and absence of light and can automatically control the lighting of the fixtures.

How does a photocell light sensor work?

A photocell and photoresistor is a sensor that changes its resistance when light shines on it. The resistance generated varies depending on the light striking at the surface. A high intensity of light incident on the surface will cause lower resistance, whereas a lower intensity of light the cause higher resistance.

What is a photocell sensor for LED lighting?

When ambient light is present, these photocells will turn off the lights automatically, and when ambient light is absent, they'll switch on. They're rain-tight, too, so you don't have to worry.

What is the best direction for a photocell?

The ideal position for any photocell would be north-facing, away from the direct sunlight, and not under shelter. After nightfall, a photocell could not face any artificial light sources as this would deceive the photocell prompting the component to switch the light and fixture off.

Read more Single Phase Wiring


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