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PT-3 CCTV Camera Power Cable Lead, 2.1mm Power Jack, DC Power Pigtail
PT3 Power Cable Connector Lead


CCTV Power Cable Lead

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Our Price: $1.29

Product Code: PT-3



PT-3 pigtail power leads are typically used to connect the power lead on pre-made Siamese security camera cable to a DC power supply box. They are also referred to as 12V DC power cable leads, CCTV DC power pigtails, pigtail power lead, and security camera power connectors. PT-3s provide 6 inches of 8 gauge power cable and a female plug type connector. The diameter of the connector is 2.1mm which is the standard size used in low voltage applications.

We also supply PT-4 male security camera power connectors here. Sometimes there is confusion around which is male and which is female. Please refer to this male / female power jack comparison to be sure that you are buying the right type.

CCTV Power Pigtail to Power Supply Box

12V DC Power Cable Lead Connect to Power Supply Box

The above diagram shows to use a PT-3 power lead to connect pre-made Siamese CCTV cables to a multi-channel power supply box. The 2.1mm female end of the PT-3 plugs into the power portion of the Siamese cable. Then the raw cable ends connect to the power supply box with screw terminals. The BNC video end of the cable connects to the back of the DVR (Not shown connected in the picture). You can see additional pictures that show how to connect CCTV cables to a power supply box here.

Using PT-3 Power Leads with RG59 Coax Cable

If you plan to use RG59 Siamese cable spools to install DC powered security cameras . Your DC cameras will most likely have a 2.1mm male power input plug. In order to attach the 18/2 power cable from the RG59 Siamese, installers can attach a PT-3 power lead to the 18 gauge power cable using butt connectors, B connectors, or the power wire connector of their choice.

Security Camera System Installation Diagram with HD Security Camera wired to DVR and Power Transformer via RG59 Coax Cable

Here is a complete HD CCTV camera installation diagram that uses an RG59 cable with an individual power transformer powering the camera from the DVR side of the cable run. You may click on the image for a higher resolution view.

  • The RG59 Siamese cable is cut to the exact length required.
  • On the camera side of the cable, a BNC connector is attached to the RG59 coax and a PT-3 power lead is attached to the 18/2 power cable.
  • On the DVR side, a BNC connector allows the coax cable to connect to the video input of the DVR and PT-4 male 2.1mm power lead is attached to the 18/2 power wire with B connectors so that the power cable can attach to an individual power transformer - which has a 2.1mm female power connector.

CCTV Cable Installation Guides

We have the following installations guides available if you want to learn more about how to wire security camera systems (analog CCTV and HD).

Power Jack Male Female Comparison

When it comes to CCTV power connectors, there is a lot of confusion regarding this connector is male and which is female. At first it appears that the female connector is actually the male, but the gender designation goes by the center conductor.

CCTV Power Cable Pigtail Connector

The above image shows a close-up of the male and female jacks on a PT-4 and PT-3 connector. The center conductor on the PT-4 is inserted into the body of the PT-3 which is why the PT-4 is referred to as the male power lead and the PT-3 as the female.

Average Customer Review: Average Customer Review: 5 of 5 5 of 5 Total Reviews: 5 Write a review.

  1 of 1 people found the following review helpful:
5 of 5 Top Notch Supplier March 27, 2023
Reviewer: Ray F from Beaver Crossing, NE  
Mike and the crew really helped me out. I ran into a situation where I had to install non IP video cameras with RS 485 communication for PTZ. This was not familiar to me as I generally only resell and install full I.Ps camera systems. They walked me through the setup and installation and made sure I knew what was going on . Top notch dealer, with top notch knowledge, and service. I would highly recommend!

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  1 of 1 people found the following review helpful:
5 of 5 Excellent service assistance and knowledge April 16, 2022
Reviewer: Dan C from Pepperell, MA  
All their pictures and videos are extremely helpful.. ..quick, fast response to questions.

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  1 of 1 people found the following review helpful:
5 of 5 Great Experience November 4, 2021
Reviewer: James F from Apex, NC  
Everything went smoothly and the product worked as expected.

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  1 of 1 people found the following review helpful:
5 of 5 Informative, quick, and easy December 28, 2020
Reviewer: DanielG from Plano, TX  
I really appreciate the instructional guides and diagrams on the site -- definitely helped me pick out the right part for the job. The price and shipping speed were great, as well. Thank you.

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  1 of 1 people found the following review helpful:
5 of 5 Best CCTV Camera help by far... August 13, 2020
Reviewer: AndrewP from New York  
I had an issue with my furthest camera (150') that is connected halfway out with BNC/P3 & P4 connectors. Mike and Carlos took "EXTRA" time to make sure my problem was solved in a quick manner. They sent the correct parts needed by my description alone, then pretty much baby-sat me until they knew I was up and running again. When I upgrade or need parts, this will be my only stop. Thank you guys.... Awesome!!!

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