How to Make CCTV Camera Cable Goprocamera27, May 6, 2026 Installing a security camera system doesn’t have to break the bank. One of the most effective ways to cut costs—while boosting customization and reliability—is by making your own CCTV camera cables. Whether you’re setting up an IP camera system using CAT5/6 Ethernet or an analog/HD-over-coax system with RG59 BNC cables, building your own cables gives you full control over length, quality, and performance. With the right tools and techniques, DIY CCTV cables perform just as well as pre-made ones—often better—because they’re built to fit your exact layout. This guide walks you through every step: from crimping Ethernet cables and attaching BNC connectors to powering cameras, extending long runs, and troubleshooting common issues. Let’s dive into how to make CCTV camera cables that are reliable, cost-effective, and built to last. Crimp IP Camera Ethernet Cables the Right Way For IP security cameras, Power over Ethernet (PoE) cables deliver both data and power through a single CAT5e or CAT6 cable. Making these cables yourself ensures clean installations without wasted slack or awkward extensions. Stick to the T568B Wiring Standard Always terminate both ends of your Ethernet cable using the T568B standard. Even if a continuity tester shows all wires are connected, mismatched wiring (like T568A on one end) will prevent communication with your NVR or PoE switch. Here’s the correct T568B color order: Pin Color 1 White/Orange 2 Orange 3 White/Green 4 Blue 5 White/Blue 6 Green 7 White/Brown 8 Brown Use this sequence on both ends—no exceptions. Gather Essential Tools Before Starting To ensure professional results, use high-quality tools: – Bulk CAT5e or CAT6 cable (CAT6 recommended for future-proofing) – RJ45 connectors (8P8C) – RJ45 crimping tool with built-in stripper – Cable tester (critical for verifying data integrity) – Wire cutters Avoid cheap crimpers—they crush connectors and lead to intermittent failures. Strip and Organize Wires Carefully Cut the cable to your desired length, adding 3–6 feet of extra slack at each end for adjustments. Strip about 1 inch of outer sheath using the crimp tool or a dedicated stripper. Be careful not to nick the inner conductors. Untwist the pairs and lay the wires flat in T568B order. Straighten them between your fingers or against a table edge for precision. Trim, Insert, and Secure in RJ45 Plug Align all eight wires side-by-side and trim them to ½ inch so they fully reach the front of the RJ45 connector. Hold the plug with the clip facing down, then insert the wires—make sure the outer jacket enters the connector housing. If only the copper tips go in, the cable lacks strain relief and may fail under tension. Crimp and Test Both Ends Thoroughly Place the connector in the crimp tool and squeeze until it clicks. Repeat for the second end, again using T568B. Now test: – Use a network cable tester to check for opens, shorts, or miswires. – Or plug directly into your NVR’s PoE port and connect the camera. No link light? Re-crimp the connector—most failures come from poor termination or missing jacket insertion. Extend Ethernet Beyond 100 Meters with Proven Methods Standard Ethernet has a 100-meter (328-foot) limit. Exceeding this can cause camera dropouts, slow video, or PoE failure due to signal degradation and voltage drop. Enable Extended Transmission Mode on Compatible NVRs Some NVRs (like Admiral series) support extended transmission, allowing stable signal delivery up to 750 feet (229 meters). Enable it via: Menu → Camera → Select Port → Enable Extended Transmission This adjusts signal timing and power tolerance, letting you push beyond standard limits without extra hardware. Use PoE Extenders for Runs Over 750 Feet For distances longer than 750 feet, install a PoE extender every 100 meters. It receives, amplifies, and retransmits both data and power—acting like a relay station. Each extender maintains PoE functionality, so you don’t need a power source at the midpoint. Ideal for large yards, warehouses, or perimeter monitoring. Build BNC Coax Cables for Analog and HD-over-Coax Cameras Analog and HD systems (HD-TVI, HD-CVI, AHD) use RG59 coaxial cable with BNC connectors to transmit video. You can make these cables from bulk coax and save significantly. Choose RG59 for Most CCTV Installations While both RG59 and RG6 work, RG59 is standard for CCTV: – Supports 1080p HD video – More flexible for indoor routing – Commonly used in siamese cable configurations RG6 offers longer reach (up to 1,000 ft) but is stiffer and usually unnecessary for residential setups. Strip Coax Without Damaging the Core Use a precision coaxial stripper to remove: – 1 inch of outer jacket – Braided shield, folded back over the jacket – Inner dielectric, exposing 3/8 inch of solid center conductor Never cut into the center wire or compress the foam insulator—it disrupts impedance and causes signal reflection. Attach BNC Connectors: Crimp vs Solder Crimp-Type Connectors (Fast & Reliable) Slide crimp ring onto cable Insert cable into connector body Ensure: Center conductor touches pin Braid contacts ground sleeve Dielectric aligns with spacer Crimp ring securely with proper tool Ideal for quick, reliable field installations. Solder-Type Connectors (Best for Durability) Solder center conductor to pin Solder braid to outer sleeve Let cool completely before handling Soldered joints resist vibration, moisture, and temperature swings—perfect for outdoor or industrial environments. Test for Continuity and Shorts Use a multimeter or BNC tester to verify: – Center conductor continuity (pin to pin) – Shield continuity (ground to ground) – No short between center and shield A short here kills the video signal entirely. Wire Siamese Cable: Combine Power and Video in One Run Most analog CCTV systems use siamese cable: RG59 coax + two 18 AWG power wires under one jacket. After attaching the BNC, you must connect the power wires. Connect to a Multi-Channel Power Supply The cleanest method: – Run all siamese cables to a central 12V DC multi-channel power box – Strip the power wires at the DVR end – Connect each pair to labeled +/- screw terminals – Mount near the DVR for easy access Label every terminal (e.g., “Camera 1 – Front Gate”) to avoid confusion later. Power Multiple Cameras with One Supply Use a 1-to-4 DC power splitter (PT-104) to run four cameras from one 12V source. Just: – Plug splitter input into the power supply – Connect outputs to camera 2.1mm plugs Ensure total current draw doesn’t exceed the supply’s rating (e.g., 5A for four 1.25A cameras). Handle 24V AC and Dual-Voltage Cameras Correctly Not all cameras run on 12V DC. Commercial systems often use 24V AC or dual-voltage models. Use PT-4 Pigtail for Terminal Block Cameras Cameras with terminal blocks (no DC jack) need a PT-4 pigtail: – 2.1mm female end connects to siamese cable – Bare wires connect to camera’s + and – terminals Double-check polarity—reverse connection can permanently damage the camera. Never Mix Voltage Types Don’t plug 12V DC into a 24V AC input unless the camera supports dual voltage. When in doubt, consult the specs—mismatched power destroys electronics. Add Audio with RCA Siamese Cable Need sound with your video? Some cameras support built-in mics or accept external audio. Use 4-Conductor Audio Siamese Cable This cable includes: – RG59 coax (video) – Two 18 AWG wires (power) – One RCA coax core (audio) Terminate: – BNC → camera video input – 2.1mm plug → power – RCA → “Mic In” port For standalone mics, use a PT-102 1-to-2 splitter to share power between camera and microphone. Shield Audio Wires to Prevent Noise Unshielded audio picks up hum from nearby electrical lines. Keep audio runs short and away from AC wiring. Use shielded cable and ground at one end only to avoid ground loops. Maximize Distance Without Signal Loss Signal degrades over distance. Know your limits. RG59 vs RG6 Performance Cable Type Max HD Video Distance RG59 600 ft (183 m) RG6 900 ft (274 m) Beyond these, expect ghosting, flickering, or no signal. Boost Long Runs with Video Baluns For extreme distances, replace coax with UTP video baluns: – Transmit HD signal over CAT5e up to 1,600 feet – Use existing network cable – Install one balun at camera, one at DVR Baluns convert coaxial signals to balanced differential signals, reducing interference and loss. Install Cables Safely and Neatly Poor installation causes more failures than bad cables. Run Cables Through Walls Properly Use fish tape: – Attach cable end with electrical tape – Pull slowly—don’t yank – Avoid sharp bends (minimum 4× cable diameter) Drill holes through studs at top or bottom plates to preserve structural integrity. Protect Outdoor Cables Exposed cables need protection: – Use PVC conduit for surface runs – Bury underground cables in 18-inch-deep conduit – Create drip loops before entry points Seal openings with silicone or duct seal to block water and pests. Label Every Cable Label both ends: – Use color-coded tape or printed tags – Match labels to camera names in NVR – Keep a wiring diagram Future-you will thank you during upgrades or troubleshooting. Troubleshoot Common Cable Problems Fast Even perfect cables can fail if installed wrong. Fix No Video Signal Check: – BNC or RJ45 fully seated – Correct T568B wiring – Power reaching camera – Cable tester for breaks Swap with a known-good cable to isolate the issue. Stop Intermittent Connections Likely causes: – Loose connector – Damaged crimp – Outer jacket not inside RJ45 plug Re-terminate the end—most flaky connections come from poor strain relief. Solve Power Issues Use a multimeter to test: – Voltage at power supply output – Voltage at camera end (should be >11.5V for 12V DC) Low voltage? Check wire gauge—18 AWG is minimum for runs over 60 feet. Reduce Interference on Coax If video shows horizontal lines or snow: – Avoid running coax parallel to AC wiring – Ensure BNC connectors are tight – Check grounding at DVR end Ground loops cause noise—use grounded power supplies and bonded enclosures. Save Big with DIY Cables Pre-made CCTV cables cost $15–$30 each. DIY costs $0.10–$0.30 per foot plus connectors (~$1–$2 each). Example: 10-Camera System Cost Type Premade Cables DIY Cables 100 ft per run $2,500 $600 Total Savings — $1,900 (76%) Even with tools, you break even after just 3–4 cables. Choose Quality Tools and Connectors Cheap parts fail fast. Recommended Brands Tool Top Brands RJ45 Crimper Klein Tools, Jonard, Platinum BNC Crimper Canare, Atlas, Triplett Cable Tester Fluke, ByteBrothers Stripper WireCare, Klein Tools Spend more upfront—your system depends on reliable connections. Never Use Twist-On BNC Connectors They’re for temporary fixes only. Vibration and temperature changes loosen them. Always crimp or solder for permanent installations. Help