COB Strip Accessories

ATOM LED stocks the full range of COB strip connectors, extension cables, and mounting hardware for 24V and 48V COB LED strip in 2-pin, 4-pin, 5-pin, and 6-pin configurations. All accessories are UK stock, free delivery, and backed by our Telford-based technical team on 01952 370028.

2-Pin · 4-Pin · 5-Pin · 6-Pin · Solderless & Soldered · IP20 & IP67 · 8mm & 10mm · 24V & 48V · Free UK Delivery · 5-Year Warranty

1. Which COB strip connector do I need?
2. What is the difference between soldered and solderless connectors?
3. Which wire gauge should I use for COB strip runs?
4. Do I need different connectors for IP67 Waterproof COB strip?
5. How do I connect COB strip without soldering?
6. What mounting accessories keep COB strip secure?
7. What are the most common COB strip accessory mistakes?
8. Why choose ATOM LED for COB strip accessories?
9. Frequently asked questions — COB strip accessories

Quick decision summary: If you need a fast, tool-free join on indoor IP20 single-colour COB strip, use a 2-pin solderless clip connector matched to your strip width (8mm or 10mm). If you are running outdoor IP67 COB strip, use sealed IP67-rated connectors with silicone gaskets to maintain the Waterproof rating. For RGB or RGBW COB strip, match the pin count — 4-pin for RGB, 5-pin for RGBW. For CCT tunable white, use 6-pin connectors.

Who this is for: Electricians, kitchen fitters, bathroom installers, sign makers, and DIY homeowners connecting, extending, or repairing COB LED strip lighting in 2026. If you are fitting strip into an aluminium extrusion, you will also need the correct connector clearance for your chosen profile depth.

Who this is NOT for: If you need LED drivers, controllers, or aluminium profiles, those have dedicated pages — this page covers connectors, wiring accessories, clips, and mounting hardware only.

Which COB strip connector do I need?

The correct COB strip connector depends on three factors: the number of channels your strip uses (single colour, RGB, RGBW, or CCT), the strip width in millimetres, and whether the installation is IP20 indoor or IP67 Waterproof. Matching all three prevents loose connections, flickering, and water ingress that voids your IP rating.

COB strip in 2026 typically ships in 8mm or 10mm widths. Using a 10mm connector on 8mm strip leaves the contact pads misaligned, and the connection will fail under any vibration or thermal cycling. Always confirm your strip width before ordering.

Strip Type	Pin Count	Typical Width	Use Case
Single colour (warm, natural, cool white)	2-pin	8mm or 10mm	Under-cabinet, cove, shelf lighting
CCT tunable white	6-pin	10mm	Hospitality, residential rooms needing colour temp control
RGB colour-changing	4-pin	10mm	Feature walls, signage, mood lighting
RGBW colour-changing + white	5-pin	10mm or 12mm	Commercial displays, architectural accent

• 2-pin connectors: Used for all 24V single colour COB strip and 48V single colour COB strip, carrying positive and negative DC only.
• 4-pin connectors: Carry red, green, blue, and common anode for RGB COB strip — each channel needs its own contact pad.
• 5-pin connectors: Add a dedicated white channel to the RGB pinout, essential for RGBW strip that produces clean warm or cool white without the violet tinge of RGB-only mixing.
• 6-pin connectors: Designed for CCT (correlated colour temperature) tunable white strip, allowing independent control of warm and cool white LED channels alongside power and signal lines.

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What is the difference between soldered and solderless COB strip connectors?

Soldered connections use tinned wire bonded directly to the strip's copper pads with a soldering iron, creating a permanent low-resistance joint. Solderless clip connectors use spring-loaded or friction-fit contacts that grip the copper pads without heat. Both work, but each has clear advantages depending on the installation environment and your skill level.

In professional installations across the UK in 2026, most electricians solder joints on permanent hardwired runs and use solderless clips for serviceable or temporary connections. The key trade-off is reliability versus speed.

Factor	Soldered Connection	Solderless Clip Connector
Contact resistance	Approximately 0.01 ohms — near zero	Approximately 0.05–0.15 ohms per joint
Installation time	2–4 minutes per joint	15–30 seconds per joint
Tools required	Soldering iron, flux, solder, heat shrink	None — tool-free
Vibration resistance	Permanent bond — will not shake loose	Can loosen under repeated vibration over time
Serviceability	Requires desoldering or cutting to remove	Clips open and re-close for repositioning
Suitability for IP67	Excellent with heat shrink and silicone seal	Must use IP67-rated sealed connector housing
Maximum current handling	Limited only by wire gauge	Typically rated 3A–5A per pin

• When to solder: Permanent kitchen installations, commercial fit-outs, outdoor IP67 runs where the joint will be sealed, and any installation carrying over 3A per channel where connector contact resistance matters.
• When to use solderless: Residential under-cabinet runs, display lighting that may be repositioned, and any situation where the installer does not have soldering equipment on site.
• Hybrid approach: Many professional installers in 2026 solder the driver-to-strip feed connection (highest current point) and use solderless clips for strip-to-strip joins along the run where current is lower.

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Which wire gauge should I use for COB strip cable runs?

Wire gauge for COB strip depends on total wattage, voltage, and cable run length. Undersized wire causes voltage drop, dim output at the far end, and heat build-up at connections. For most 24V COB strip runs under 5 metres at up to 60W, 0.75mm2 cable is sufficient. For 48V runs or lengths over 5 metres, step up to 1.0mm2 or 1.5mm2 to keep voltage drop below 5%.

Voltage drop is the single most common cause of uneven brightness on long COB strip runs. At 24V, every metre of undersized cable costs you a measurable percentage of brightness at the far end. The 48V advantage is significant here — voltage drop occurs at half the rate of 24V at the same wattage over the same distance, which is why 48V COB strip supports 30m single-feed runs compared to 20m on 24V.

• 0.5mm2 (20 AWG): Suitable for short jumps under 1 metre at low wattage — typically only used for strip-to-strip bridging connectors.
• 0.75mm2 (18 AWG): Standard for most 24V COB strip runs up to 5 metres at 10W/m or less, carrying approximately 4.5A maximum.
• 1.0mm2 (16 AWG): Recommended for 24V runs of 5–10 metres, all 48V runs up to 10 metres, and any installation drawing over 60W total.
• 1.5mm2 (14 AWG): Required for long 48V runs over 10 metres, high-density COB strip at 20W/m or above, and any commercial installation where voltage drop must stay under 3%.

Always wire COB strip runs in parallel rather than series. Series wiring multiplies voltage drop across each section, making the problem worse with every additional metre. Parallel wiring feeds each section directly from the driver, keeping voltage consistent across the full installation.

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Do I need different connectors for IP67 Waterproof COB strip?

Yes. Standard IP20 solderless clip connectors are open-backed and will not maintain a Waterproof seal on IP67 COB strip. IP67 installations require either sealed IP67-rated connector housings with silicone gaskets, or soldered joints sealed with adhesive heat-shrink tubing and silicone potting compound. Using IP20 connectors on IP67 strip voids the Waterproof rating immediately.

IP67 outdoor COB strip has a silicone or PU coating over the LED surface and copper pads. To connect it, you must either carefully strip back the coating to expose the pads (for soldering) or use connectors specifically designed to pierce or clamp through the coating while maintaining the seal.

• IP67 sealed connectors: Feature a rubber gasket and locking mechanism that compresses around the strip, maintaining the IP67 rating through the joint.
• Soldered IP67 joints: Strip back approximately 10mm of silicone coating, solder the wire, then seal with adhesive-lined heat shrink and a bead of neutral-cure silicone sealant over the joint.
• IP65 limitation: IP65-rated strip provides surface-splash protection only and is not suitable for UK outdoor conditions or bathroom wet zones under BS7671 — if your installation is outdoors, use IP67 or IP68 rated strip and matching connectors.

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How do I connect COB strip without soldering?

Solderless COB strip connectors use a hinged clip mechanism that grips the copper contact pads on the strip when pressed closed. The process takes under 30 seconds per joint, requires no tools, and produces a reliable connection for most indoor IP20 installations. Follow these five steps for a secure solderless connection every time.

1. Step 1 — Cut the strip at the marked cut point: COB strip has designated cut lines marked at regular intervals. Cut precisely on the line using sharp scissors or a craft knife to expose clean copper pads on both sides of the cut. ATOM LED COB strip can be trimmed at the marked cut points without voiding the warranty, giving you exact length control.
2. Step 2 — Open the connector clip: Lift the hinged locking tab on the solderless connector to expose the metal contact pins inside. Check that the contact pins are clean and not bent — damaged pins will not make reliable contact with the strip pads.
3. Step 3 — Insert the strip end: Slide the cut end of the COB strip into the connector until the copper pads sit directly over the contact pins. The strip should be fully inserted with no copper visible outside the connector body. Confirm the polarity markings (+/−) on the strip match the connector labelling.
4. Step 4 — Close and lock the clip: Press the locking tab firmly closed. You should feel the contact pins grip the copper pads. Give the strip a gentle tug — it should not pull free. If it slides out, reopen the clip, reposition the strip, and close again.
5. Step 5 — Test before mounting: Connect the driver and power on the strip before fixing it in position. Confirm even brightness across the full run with no flickering at the connector joints. Never power strip while it is still coiled on the reel — heat builds up rapidly and can damage the adhesive backing and LEDs.

For strip-to-strip joins (extending a run), use a double-ended clip connector with contacts on both sides. For strip-to-wire joins (connecting back to the driver), use a single-ended connector with wire tails. Both are available in 2-pin, 4-pin, 5-pin, and 6-pin configurations to match your strip type.

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What mounting accessories keep COB strip secure long-term?

COB strip mounting accessories include aluminium mounting clips, silicone fixing brackets, cable ties with adhesive bases, and 3M VHB tape for supplementary adhesion. The factory 3M adhesive backing on most COB strip provides good initial tack, but for vertical surfaces, overhead coves, and warm environments above 40 degrees Celsius, mechanical fixings are essential for a permanent hold.

• Aluminium mounting clips: Screw-fixed brackets that hold the strip at regular intervals (typically every 300–500mm), providing mechanical security independent of adhesive. Essential for overhead and vertical installations in 2026 commercial fit-outs.
• Silicone fixing brackets: Flexible clips that hold IP67 silicone-coated strip without compressing the Waterproof sleeve, maintaining the IP rating while securing the strip to the mounting surface.
• Adhesive cable tie bases: Self-adhesive pads with cable tie slots, useful for routing extension wires neatly alongside the strip run and preventing cable strain on connector joints.
• 3M VHB supplementary tape: Double-sided foam tape applied to the mounting surface before pressing the strip into position, providing additional bond strength on textured or painted surfaces where factory adhesive alone may not hold.

Never mount COB strip directly onto bare metal surfaces without an insulating layer. The exposed copper traces on the underside of the strip can short-circuit against conductive surfaces, causing immediate failure or a gradual degradation that is difficult to diagnose. Use an aluminium profile with an anodised or powder-coated finish, or apply a layer of electrical insulation tape to the mounting surface first.

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What are the most common COB strip accessory mistakes?

The three most frequent accessory mistakes in COB strip installations are using the wrong pin count connector for the strip type, using IP20 connectors on Waterproof strip, and undersizing the extension wire gauge for the total wattage. Each of these causes a specific failure mode — from dead channels and water ingress to voltage drop and overheating — and all are avoidable with correct product selection.

• Wrong pin count: Using a 2-pin connector on RGB strip leaves three colour channels unconnected. The strip will light up on one channel only (typically red) or not at all, depending on which pins make contact. Always match pin count to strip type: 2-pin for single colour, 4-pin for RGB, 5-pin for RGBW, 6-pin for CCT.
• Wrong strip width: Forcing 10mm-wide strip into an 8mm connector damages the copper pads. The contacts may initially work but will fail within weeks as thermal expansion and contraction loosen the mismatched joint.
• IP20 connectors on IP67 strip: Standard clip connectors break the Waterproof seal. Within months, moisture wicks along the copper pads and corrodes the connection from the inside — often appearing as intermittent flickering before total failure.
• Undersized wire on long runs: Using 0.5mm2 wire on a 10-metre, 120W run at 24V results in visible brightness loss at the far end and heat build-up at the wire termination points. Size wire to the total load, not just the nearest section.
• Powering strip while coiled: Testing a full reel by plugging in the driver while the strip is still wound causes rapid heat accumulation. The inner layers cannot dissipate heat, softening the adhesive and potentially damaging the LEDs. Always uncoil fully before powering on.

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Why choose ATOM LED for COB strip accessories?

ATOM LED is a UK-based LED specialist in Telford, Shropshire, stocking all COB strip accessories from connectors to mounting hardware in our own warehouse. Every order ships with free UK delivery, and our technical team is available Monday to Friday, 9am to 5pm on 01952 370028 to help you select the right accessory for your specific installation.

• UK stock, not dropshipped: All accessories ship from our Telford warehouse, meaning next-day availability on standard items rather than 2–3 week waits from overseas suppliers.
• Matched to our strip: Every connector and accessory in this collection is tested and confirmed compatible with ATOM LED COB strip ranges — no guessing whether a generic connector will fit your specific strip width and pad spacing.
• cut to length at marked intervals compatible: ATOM LED COB strip uses cut to length at marked intervals, allowing cuts at any point without voiding the 5-year warranty. Our connectors are designed to work with these custom-cut lengths, not just factory cut points.
• Technical support included: Not sure which connector pin count or wire gauge you need? Contact our team at operations@atomled.co.uk or call 01952 370028 — we will confirm the right accessory for your strip type, voltage, and installation environment.
• Full system supplier: Beyond accessories, ATOM LED supplies the complete installation chain — COB strip, LED drivers, and controllers — so every component is confirmed compatible before it leaves our warehouse.

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Frequently asked questions — COB strip accessories

Can I use standard LED strip connectors on COB strip?

• Width match is critical: COB strip copper pads are spaced differently from traditional SMD strip, so you must use connectors specifically rated for your COB strip width (8mm or 10mm).
• Pin spacing varies: Generic LED strip connectors designed for SMD5050 or SMD2835 strip often have different pad spacing and will not align with COB strip contact points.
• Always check compatibility: ATOM LED COB strip accessories are designed and tested for our COB ranges specifically, removing the guesswork from connector selection.

How many solderless connectors can I use in one run?

• Practical limit of 3–4 per run: Each solderless connector adds approximately 0.05–0.15 ohms of contact resistance. Over multiple joints, this accumulates and can contribute to measurable voltage drop.
• Solder for long runs: If your installation requires more than 4 joints in a single run, soldering some or all connections will reduce total resistance and maintain even brightness.
• Test after each joint: Power on and check brightness consistency after adding each connector to catch any poor connections before the strip is mounted and difficult to access.

Do I need different accessories for 24V and 48V COB strip?

• Connectors are the same: The physical connector (2-pin, 4-pin, etc.) is the same for 24V and 48V COB strip of the same width — the pin count and strip width determine the connector, not the voltage.
• Wire gauge may differ: 48V strip draws less current than 24V at the same wattage (amps = watts / volts), so wire gauge requirements are typically lower for 48V at equivalent run lengths.
• Driver connection differs: The connector between driver and strip may differ by voltage — always confirm your driver output matches the strip voltage rating before connecting.

What is the maximum current rating for solderless COB strip connectors?

• Typically 3A–5A per pin: Most quality solderless connectors in 2026 are rated for 3A to 5A per individual pin contact.
• Calculate your load: A 5-metre run of 14.4W/m COB strip at 24V draws 3A total (72W / 24V). This is within the rating of most 2-pin connectors but leaves little headroom.
• Solder above 3A per pin: For installations drawing over 3A per pin, soldered connections are recommended to avoid heat build-up at the connector contact points.

Can I reuse solderless connectors if I reposition the strip?

• Yes, most clip connectors are reusable: Open the locking tab, remove the strip, and re-insert the new cut end. Check that the contact pins are still straight and springy after each reuse.
• Replace after 3–4 uses: Contact pins lose tension over repeated use. If a connector no longer grips the strip firmly on closing, replace it — a loose connection causes flickering and intermittent dropout.
• Clean the pads: Before re-inserting strip into a used connector, wipe the copper pads with isopropyl alcohol to remove any oxidation or adhesive residue that could insulate the contact point.

How do I extend COB strip around a 90-degree corner?

• Use an L-shaped corner connector: Purpose-built 90-degree connectors accept strip ends on both arms, maintaining electrical contact through the bend without stressing the flexible PCB.
• Alternative — short wire bridge: Cut the strip at the corner point, connect both ends with a short length of wire (50–100mm) using solderless or soldered connectors, and fix each strip section independently to the surface.
• Never bend COB strip at a sharp angle: Bending the strip tighter than a 10mm radius at 90 degrees can crack the copper traces on the flexible PCB, causing partial or complete failure at the bend point.

Are extension cables included with ATOM LED COB strip?

• Short connector leads are often included: Many ATOM LED COB strip products ship with a short input lead for driver connection. Longer extension cables and strip-to-strip jumper leads are sold separately in this accessories collection.
• Match the pin count: Extension cables must match your strip's pin count — a 2-pin extension on a 4-pin RGB strip will only carry power, not colour data, resulting in no colour control.
• Check wire gauge: Factory extension cables are typically 0.5mm2 or 0.75mm2. For runs over 3 metres from the driver, consider upgrading to a heavier gauge extension to minimise voltage drop.

What accessories do I need for an addressable digital COB strip installation?

• Data-rated connectors: Addressable digital COB strip requires connectors that carry both power and a high-speed data signal (SPI protocol). Standard RGB connectors will carry power but may not reliably transmit the data signal.
• Signal amplifiers for long runs: Digital data signals degrade over distance. For runs over 5 metres, a signal amplifier at the midpoint maintains clean data transmission and prevents colour glitches at the far end.
• Dedicated SPI controllers: Addressable strip requires a dedicated SPI pixel controller rather than a standard RGB controller — standard controllers cannot address individual LED segments.

Where can I get help choosing the right COB strip accessories?

• Call our technical team: Phone 01952 370028, Monday to Friday, 9am–5pm. Tell us your strip model, voltage, length, and installation environment, and we will confirm the exact accessories you need.
• Email with photos: Send your installation details to operations@atomled.co.uk — photos of the strip end and mounting location help us recommend the right connector type and wire gauge first time.
• Browse the full range: View all LED strip accessories or explore our complete LED strip lighting collection to see what is available in 2026.

Ready to order? Browse our full COB strip accessories range, or contact the ATOM LED team for advice on connectors, wiring, and mounting hardware for your specific project. Call 01952 370028, email operations@atomled.co.uk, or browse the full ATOM LED COB strip collection. Free UK delivery on 97% of products, UK stock shipped from Telford, and a 5-year warranty on all COB DC voltage products.

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Related Collections

• LED strip lights
• dot-free COB strip
• aluminium profiles
• LED drivers
• full accessories range
• COB strip wiring and connector guide

Last reviewed: March 2026 — ATOM LED technical team, Telford, Shropshire. Specifications current as of 2026.

🏭 UK LED specialist, Telford, Shropshire  ·  ☎️ 01952 370028  ·  🚚 Free UK delivery on 97% of products