Wiring Diagram For Outside Light With Pir Uk

By | June 5, 2021



How To Wire An Outdoor Light With Pir In UK


Whether you're planning on installing a new outdoor light or replacing an existing one, knowing how to wire an outdoor light with a Pir in the UK is an essential skill. Having a reliable and secure exterior light is a great way to illuminate your home and garden, keeping everything safe and secure. Installing a light with a Pir (passive infrared) sensor, can add extra security, by having the light automatically turning on when it detects motion.



In this guide, we'll explain the basics of wiring an outdoor light with a Pir in the UK, as well as discussing what type of materials you'll need and safety concerns to be aware off. By the end of it, you'll have all the information you need to ensure your outdoor light is wired correctly.



What Materials Are Required for Wiring An Outdoor Light with Pir?


To complete the wiring of an outdoor light with a Pir in the UK, you'll need the following materials:



  • A Pir Sensor

  • Three core cable

  • Light fitting with 3 terminals

  • Earth cable

  • Approved double-pole switch

  • Connector Blocks

  • Main Electrical Supply (Fuse/Consumer Unit)



Calculating Cable Length


Before you begin, it's important that you accurately calculate the length of cable that you'll need to wire your outdoor light with a Pir. This will depend on the distance between your switch and the light. The length of the three-core cable you should use, should never be any longer than 25 metres. When it comes to the connection between the Pir and the light, your two cables used should both be the same length.



Safety Precautions When Wiring a Light With Pir In UK


Prior to starting any electrical project, it's important to take the necessary safety precautions. Firstly, you should always switch off the electricity supply at the mains, to ensure that you don't electrocute yourself. Make sure also to check that the mains power is off. It's also a good idea to make sure that you're wearing protective gloves and that you are familiar with all regulations for working with electricity safely.



Connecting the Components Together


When it comes to connecting the components together, the following steps should be taken in order:



  1. Attach the 3-core cable to the switch, ensuring that the live core (brown) is connected to the 'L' terminal and the neutral core (blue) is connected to the 'N' terminal.

  2. Run the 3-core cable to the Pir, and connect the live core (brown) to the 'L' terminal and the neutral core (blue) to the 'N' terminal.

  3. Connect one of the spare cores (black) to the 'COM' terminal on the Pir.

  4. Run the 3-core cable from the Pir to the light fitting. Connect the live wire (brown) to the live terminal, and then connect the neutral wire (blue) to the neutral terminal.

  5. Install the Earth cable to the Earth terminal on the fitting, and then connect the connector blocks.

  6. Turn on the electricity supply and then test the system.



Final Thoughts


Now that you know how to wire an outdoor light with a Pir in the UK, you'll be able to ensure your outdoor light is wired correctly and securely. If you'd like some extra assistance with the wiring, it's best to contact a qualified electrician who can help you.


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