In an optical fiber line, dead end clamp may look like small hardware, but they play a big role in determining whether the route can run reliably for 10–20 years under wind, ice, and temperature changes. Especially for ADSS, OPGW and FTTH projects, a dead end clamp doesn't just need to "hold the cable", it also needs to protect the fibers from crushing and long-term attenuation under continuous tension. In this article, you'll understand the main types of dead end clamps, their structures, applications, selection logic and common pitfalls, so you know exactly how to choose and use them in your own projects. As a fiber system-focused supplier, DIMI will also share practical configuration ideas and selection suggestions that you can directly apply to your engineering work.
What Is a Dead End Clamp? Basic Understanding
In an overhead line or aerial fiber system, a clamp dead end is the fitting used to terminate and anchor a conductor or cable at the end of a span. It transfers the mechanical tension from the cable to the pole or tower and prevents the cable from slipping.
Names and common aliases
In different catalogs and standards, you'll often see a dead end clamp referred to as:
- Dead End Clamp
- Tension Clamp
- Strain Clamp
- Anchor Clamp
- Preformed Dead End
- Dead End Grip
- ab cable dead end clamp
The exact structure behind each name can vary (wedge type, bolted type, preformed/helical type, etc.), but they all serve the same basic dead end clamp function: terminate and hold the cable under tension.
Role in the overall overhead system
Within the full overhead system, the dead end clamp is responsible for:
- Fixing the cable in place at the end of a span (terminal poles, angle poles, tension towers, etc.).
- Carrying the mechanical tension from the cable (self-weight, wind, ice, temperature changes).
- Preventing slippage, so the cable doesn't creep through the hardware and change sag or clearance.
Put simply: if the suspension hardware keeps the cable "hanging nicely", the dead end cable clamp is what locks the route in position so it stays within design limits for decades.
Dead end clamp vs suspension clamp
These two fittings are often confused, but they do very different jobs:
Function: "hang the cable"
The cable can rotate slightly and move with wind; the clamp mainly supports vertical load.
Used in mid-span support points.
Dead end clamp
Function: "pull and hold the cable"
The cable is fixed; the clamp takes full axial tension.
Used at line ends, major angles, and tension points.
A simple way to remember it:
Suspension clamp = hang the cable
Dead end clamp = hold and anchor the cable
DIMI's perspective: not just one fitting, but a system
At DIMI, we don't look at the dead end clamp adss cable tension clamp as a single isolated part. In our internal design drawings, you'll always see it together with:
The cable (ADSS, OPGW, drop cable, etc.)
Suspension clamps and other hardware on the same route
Armor rods, vibration dampers, grounding parts, and other accessories
Because all of these components share loads and influence each other's lifetime, we design and recommend the whole system, not just "one clamp at a time". This is also how we approach dead end clamp selection and configuration in the rest of this guide.
Typical Application Scenarios for Dead End Clamps
Dead end clamps are used wherever a cable span needs to be terminated and fully tensioned. The core mechanism is similar, but the actual product design changes a lot depending on whether you're dealing with bare conductors, all-dielectric fiber, or small FTTH drops.
Below are the main scenarios, and how dead end clamps are typically used in each.
Power conductor applications
In traditional power transmission and distribution, dead end clamps are key fittings on overhead bare conductors such as ACSR, AAAC, AAC and others. They are commonly installed at:
- Line terminals – where the line starts or ends at a substation or transformer pole
- Angle towers/poles – where the route changes direction and tension is unbalanced
- Tension towers / sectioning points – where long spans are divided into shorter tension sections
In these applications, dead end clamps must:
Carry high mechanical loads from the conductor (tension, wind, ice)
Match the conductor diameter and alloy type
Maintain a secure grip over decades without excessive creep or damage to the strands
You'll typically see bolted/"gun" type strain clamps or preformed dead ends on these lines, depending on utility standards and voltage levels.
Fiber and communication applications
This is where DIMI is most active. In modern networks, dead end clamps are critical for all-dielectric and composite fiber cables:
ADSS (All-Dielectric Self-Supporting) cable
Uses preformed tension/dead end clamps that distribute stress along a defined length of the cable.
Often combined with armor rods and vibration dampers to protect the cable from wind-induced fatigue.
Installed at terminal poles, major angles and tension structures in ADSS routes.
OPGW / OPPC (optical ground wire / optical phase conductor)
Uses dedicated OPGW dead end clamps, often a combination of preformed rods + hardware, or wedge/bolted type designed for the composite structure.
Must consider both steel core strength and fiber unit protection, while also ensuring proper grounding/earthing.
Installed at substation entries, line terminals, and sectioning/tension points along the transmission line.
In these scenarios, the dead end clamp is not only holding significant mechanical tension; it also directly affects fiber lifetime, attenuation stability and outage risk. That is why DIMI places special emphasis on matching clamp design to the exact cable structure.
FTTH / Drop cable applications
At the access layer, dead end clamps show up in a smaller, more compact form as anchoring clamps for drop cables, typically used to:
Anchor outdoor FTTH drop cables on poles, facades or building entrances
Secure the last span before the cable enters the building or customer premises
Tidy and stabilize short spans where mechanical load is lower but reliability still matters
These are usually polymer + metal bail designs sized for small-diameter drop cables. For operators and ISPs, they need to be fast to install, corrosion-resistant, and compatible with various drop cable constructions.
Application map: which dead end clamp type for which scenario?
To give you a quick mental map:
Bare power conductors (ACSR/AAAC etc.)
→ Bolted / gun type strain clamp, or preformed dead end grip
ADSS fiber cable
→ Preformed ADSS dead end + armor rods (+ vibration dampers where needed)
OPGW / OPPC
→ OPGW/OPPC-specific dead end assemblies (preformed or wedge/bolted style), with grounding accessories
FTTH / drop cable
→ Small anchoring/drop clamps for figure-8 or flat drop cables
Each application has its own mechanical and environmental requirements. Choosing the wrong style (for example, using a bare-conductor clamp directly on a fiber cable) can lead to early failures and high maintenance costs.
DIMI's focus within these applications
DIMI's core business is fiber-centric systems, so our main focus areas are:
ADSS backbone and distribution routes
OPGW / OPPC on power transmission lines
FTTH and access-network drop deployments
That means we don't just ship "a clamp in a box". We design and recommend complete cable + dead end clamp + suspension + accessories solutions for these scenarios, so that mechanical performance, fiber protection and long-term reliability are all aligned from day one.
Structure & Working Principle: Why So Many Different Designs?
At first glance, dead end clamps come in a confusing variety of shapes. In reality, each design is optimized for a specific cable type, voltage level and installation method. The core job is always the same - hold the cable under tension without damaging it - but the way each clamp achieves that job is very different.
Wedge-Type Dead End Clamp
Typical structure
Metal body (housing)
Plastic or composite wedge inserts
Bail / eye / hook for connecting to the pole or bracket
Typical applications
LV/MV insulated conductors
ABC dead end clamp (Aerial Bundled Cable)
Distribution networks and small spans
Working principle: wedge self-locking + friction
The conductor or bundled cable is fed through the body, and the wedge pieces are pushed in from the open end. Under tension:
The cable pulls the wedges deeper into the tapered housing
The wedging action multiplies the normal force on the cable
Increased normal force creates enough friction to stop any slippage
The harder the cable pulls, the tighter the wedge locks - up to the mechanical limit of the clamp and cable.
DIMI tip:
For LV/MV distribution and ABC projects where installation speed is critical and loads are moderate, we typically recommend wedge-type dead end clamps, provided they are correctly matched to cable diameter and mechanical ratings.
Helical / Preformed Dead End (Preformed Grip)
Typical structure
A set of preformed helical rods (aluminum dead end clamp-clad or galvanized steel)
An integrated eye / thimble / hardware connection at one end or in the middle
Sometimes combined with armor rods around the cable
Typical applications
ADSS fiber optic cables
OPGW / OPPC composite ground or phase conductors
Some bare conductors, especially where fatigue and vibration are critical
Key principle: long, uniform stress distribution
Instead of clamping at a short length, the preformed rods:
Wrap around the cable over a relatively long grip length
Share the tension through multiple contact points
Keep radial pressure lower and more uniform around the cable
This design is much kinder to fiber-optic constructions:
Less chance of local crushing
Better control of stress transfer to the fiber core
Improved fatigue life under wind-induced vibration
DIMI tip:
For ADSS and OPGW routes, especially with long spans or harsh wind/ice conditions, we normally prioritize preformed adss dead end clamp assemblies because they provide the best balance of holding strength and fiber protection.
Bolted / "Gun-Type" Strain Clamp
Typical structure
Rigid metal body with a conductor groove
Pressure plate that presses the conductor into the groove
U-bolts, cap screws or "gun-type" mechanism to generate clamping force
Typical applications
Bare conductors on medium and high voltage transmission lines
Traditional power engineering where conductors carry high mechanical loads
Working principle: mechanical bolting + surface friction
The conductor is laid in the body groove, then clamped by tightening bolts or a gun-type mechanism:
Bolt tension creates a high normal force on the conductor
The contact surfaces (often serrated or specially shaped) generate the friction needed to hold the full tensile load
Proper torque is essential - under-tightening can cause slippage, over-tightening can damage strands
These clamps are robust and adjustable, but not ideal for delicate fiber designs unless specifically engineered for them.
DIMI tip:
On traditional power conductors, bolted/gun-type strain clamps are still very common. For fiber-bearing cables on the same towers (ADSS, OPGW, OPPC), DIMI recommends dedicated fiber dead end solutions, rather than reusing conductor-style hardware, to avoid long-term damage to the cable and fibers.
Fiber-Specific Design Details: "Hold It Tight, Don't Hurt the Fiber"
When a dead end clamp is designed for optical cables, a lot of small structural details change compared to pure conductor clamps. You'll often see:
Armor rods / reinforcing rods
Wrap around the cable near the clamp
Spread mechanical stress over a longer section
Protect the sheath from abrasion and bending
Vibration control accessories
Stockbridge dampers or spiral dampers added near the dead end
Reduce aeolian vibration and galloping, which can otherwise cause fatigue at the clamp interface
Protective inserts & liners
Smooth, shaped surfaces in contact with the cable
Avoid sharp edges or point loads on the sheath
Maintain correct minimum bending radius
Transition hardware
Thimbles, yoke plates, shackles, turnbuckles, etc.
Ensure the load path from cable → clamp → structure stays aligned without twisting or bending the cable excessively
The goal in fiber applications is always the same:
Carry the full tensile load of the cable, while keeping radial compression and bending stresses on the fibers as low and as uniform as possible.
DIMI tip:
In DIMI designs, we treat dead end clamp + armor rods + vibration dampers + connection hardware as one functional unit. When we propose a solution, we don't just pick "a clamp"; we build a complete dead end clamp tailored to your cable type and route conditions, to protect both mechanical integrity and optical performance over the entire service life.
Application-Based Selection Map
This is where we move from "what it is" to "how to choose the right dead end clamp in real projects". Think of it as a practical selection map that shows DIMI understands not just products, but engineering.
General selection flow: from route to part number
You can turn most dead end clamp selections into a simple 5-step process:
Step 1 – Identify the line type
Is this project based on:
Bare power conductors (transmission / distribution)?
ADSS self-supporting fiber?
OPGW / OPPC composite ground or phase conductors?
FTTH / drop cables in the access network?
Different line types almost always lead to different clamp families.
Step 2 – Gather the cable/conductor data
Collect the basic technical data:
Outer diameter (or size range)
RTS / UTS / maximum working tension
Construction (steel core or all-dielectric, single/multi-layer)
Sheath material (PE, HDPE, LSZH, etc. for fiber cables)
This information defines which size range and mechanical rating your dead end clamp must match.
Step 3 – Define installation point & environmental conditions
Look at where and how the dead end will be installed:
Location: terminal pole/tower, angle structure, tension tower, building façade, pole-mounted equipment, etc.
Span length and sag requirements
Wind zone and ice load
Corrosive environment (coastal, industrial, desert, etc.)
These factors affect required strength, fatigue performance, and corrosion protection.
Step 4 – Choose the structural type
Based on Steps 1–3, select the most appropriate structural form:
Wedge-type: insulated LV/MV conductors, ABC
Preformed / helical: ADSS, OPGW, OPPC, vibration-sensitive routes
Bolted / gun-type: bare conductors on traditional power lines
At this stage you already know which "family" of dead end clamps you're in.
Step 5 – Check mechanical & environmental suitability
Before locking in a model, verify:
Rated breaking load vs. cable RTS/UTS
Slip strength margins
Material & coating vs. environment (salt, pollution, UV, temperature)
Accessories required: armor rods, dampers, thimbles, grounding parts, brackets
DIMI approach: we run through exactly this checklist with customers and then propose a named assembly, not just a single catalog code.
Bare conductor projects: key selection points
For projects using ACSR, AAAC or other bare conductors, dead end clamp selection is driven by mechanical strength and conductor compatibility.
What to focus on:
Match the clamp's mechanical rating to the conductor's RTS/UTS with a suitable safety factor.
Ensure the groove or preformed rods are designed for the exact conductor diameter and construction.
Confirm clamps meet relevant slip and breaking load tests for your design code.
Typical mistakes to avoid:
Undersizing the clamp: choosing a model rated too close to working tension, leaving little margin for wind/ice or abnormal loads.
Ignoring corrosion and pollution: using standard coatings in coastal or heavy industrial environments can lead to premature failure at the dead end.
DIMI tip:
Even if DIMI is not supplying the bare conductor itself, we can help check your mechanical calculations and environment categories, to confirm the selected dead end clamp fits your design assumptions.
ADSS projects: selection essentials
For ADSS fiber optic routes, fiber optic dead end clamp directly affect fiber stress, attenuation stability and fatigue life.
Standard configuration logic:
Use preformed ADSS tension/dead end clamps sized to the cable's outer diameter and RTS.
Combine with armor rods to spread stress and protect the sheath in the grip area.
Add vibration dampers where span length, wind or terrain suggest significant aeolian vibration or galloping.
Engineering factors to check:
Maximum cable working tension vs. dead end rated load
Fiber strain limits at maximum tension and under worst-case wind/ice
Designed sag and span lengths, ensuring dead end clamps are used at appropriate points
Whether extra measures are needed in extreme climates (high UV, large temperature swings, icing)
DIMI tip:
For ADSS, DIMI usually proposes a package (cable + dead end + armor rods + dampers) matched to your route profile, instead of separate items. That avoids "mix-and-match" components that might be individually good but poorly combined.
OPGW / OPPC projects: dual-focus selection
For OPGW and OPPC, selection has to respect both the metallic strength and the embedded fibers.
Two main design lines:
Steel core & conductor strength
Dead end clamp must properly grip and transfer the tensile load carried by the metallic structure.
Rated load and fatigue performance must match the line's tension regime.
Fiber protection
Clamp design must avoid excessive compression or bending of the cable where fibers are located.
Supporting accessories (armor rods, thimbles, yokes) help distribute stresses.
Also consider:
Grounding/earthing requirements: OPGW dead ends often incorporate or connect to earthing hardware.
Transition to substation hardware: clear, compatible interfaces from tower dead end to gantry and further into the station.
Redundancy and maintenance: ease of inspection and replacement if needed.
DIMI tip:
In OPGW/OPPC projects, DIMI works from the cable design data sheet plus your line design parameters to specify dead end assemblies that protect both system grounding function and fiber continuity simultaneously.
FTTH / Drop cable projects: practical priorities
In FTTH and access networks, dead end clamps are smaller but still important for stability and appearance.
Typical application points:
Anchoring outdoor drop cables on poles, facades, or building entrances
Fixing short spans between buildings, poles, or brackets
Supporting the final approach to the customer premises
Selection priorities:
Adequate tensile capacity for drop spans and expected wind loads
Fast, simple installation – usually by access technicians, not heavy line crews
Compatibility with different drop cable designs (figure-8, flat, round)
Non-corrosive materials suitable for outdoor exposure
DIMI tip:
For FTTH, DIMI favors unified drop solutions: matching drop cable, anchoring clamps and mounting accessories so installers don't have to improvise in the field.
DIMI recommended "standard configuration packages"
To make selection and procurement easier, DIMI often builds scenario-based packages rather than leaving you to pick each part individually.
Example 1 – ADSS line terminal package
ADSS cable (model matched to span, loading, fiber count)
ADSS dead end clamp (preformed)
Armor rods for the grip zone
Vibration damper(s) as needed based on span length and wind regime
Connection hardware to pole/tower (thimble, shackles, etc.)
Example 2 – FTTH building entry package
Outdoor drop cable suitable for your network design
Drop/anchoring clamps for poles or façades
Wall brackets, cable ties, and fixation accessories for neat routing into the building
Depending on your project, DIMI can extend these packages to include suspension clamps, splice closures, patch panels and other passive components, so the dead end clamp is always part of a coherent, well-engineered system-not a standalone item that has to be forced into place.
Core Technical Parameters & Standards: Read the Datasheet, Not Your Gut
Below is the same content as before, but structured with tables so it's easier to drop into a webpage or brochure.
Key parameters – what they mean & why they matter
| Parameter | What it means | Why it matters in selection |
|---|---|---|
| Applicable conductor / cable Ø range | Diameter range the clamp is designed for (e.g. 10–12 mm, 14.5–16 mm) | If your cable is outside this range, the clamp may slip, not fit, or crush the cable. |
| Rated Breaking Load (RBL) / MBL | Maximum load the clamp (or assembly) can withstand in a tensile test, usually in kN | Must be compatible with the cable RTS/UTS and design safety factor. The clamp should not be the weak link. |
| Slip load / slip strength | Load at which the cable starts to move (slip) inside the clamp, often % of RTS/UTS | If too low, sag and clearances change over time; good practice is slip ≥ 90–95% of cable RTS/UTS. |
| Conductor / cable RTS or UTS | Rated / ultimate tensile strength of the cable itself | Basis for checking whether clamp MBL and slip load are high enough. |
| Materials | Metals (Al alloy, Al-clad steel, galvanized steel) and polymers (nylon, UV-resistant plastics, etc.) | Determines mechanical strength, corrosion resistance, and long-term stability in your environment. |
| Coatings / surface protection | Hot-dip galvanizing, Al-clad, other protective layers | Critical in coastal, industrial, or polluted areas to avoid early corrosion and failures. |
Standards & test types – what's behind the numbers
You don't need to quote standard numbers in marketing, but it helps to show which test types the product has passed.
| Test type | What is done | What it proves |
|---|---|---|
| Tensile / breaking test | Clamp assembly is pulled until failure, load is recorded | Confirms MBL/RBL and that the clamp won't fail below its rated strength. |
| Slip test | Load is increased to a specified value, clamp is checked for cable movement | Confirms clamp can hold cable up to a defined % of RTS/UTS without unacceptable slippage. |
| Fatigue / vibration test | Simulates aeolian vibration or galloping over many cycles | Checks clamp + cable interface won't crack or damage the cable under long-term cyclic loading. |
| Salt spray / corrosion | Metallic parts exposed to salt fog for a defined time | Verifies coating durability and resistance to corrosion in harsh environments. |
| UV & climate aging (poly) | Polymer parts (wedges, housings) exposed to UV, temperature and humidity cycles | Ensures plastic parts won't become brittle, crack, or lose performance under outdoor exposure. |
Quick "is it enough?" checks – simple examples
Table 1 – OEM ADSS dead end clamp example
| Item | Value / rule | Comment |
|---|---|---|
| ADSS cable RTS | 25 kN | From cable datasheet |
| Design rule (example) | Clamp MBL ≥ 1.5 × RTS | Project or internal standard |
| Required clamp MBL | 25 × 1.5 = 37.5 kN | Minimum acceptable MBL |
| Option A – clamp MBL | 40 kN | ✅ Meets requirement (40 ≥ 37.5 kN) |
| Option B – clamp MBL | 30 kN | ❌ Undersized; real margin too small |
| Recommended slip load | ≥ 95% RTS = 23.75 kN | cable dead end clamp should hold cable safely close to its rated strength without slipping |
Table 2 – OPGW dead end clamp example
| Item | Value / rule | Comment |
|---|---|---|
| OPGW RTS | 70 kN | From cable datasheet |
| Design rule (example) | Clamp MBL ≥ 1.1 × RTS | Slight margin above cable rating |
| Required clamp MBL | 70 × 1.1 = 77 kN | Minimum acceptable MBL |
| Candidate clamp MBL | 80 kN | ✅ Acceptable (80 ≥ 77 kN) |
| Recommended slip load | ≥ 95% RTS = 66.5 kN | Clamp should not allow movement under normal/max service loads |
DIMI quality control & testing – summarized view
| Stage | What DIMI does | Benefit for the customer |
|---|---|---|
| Incoming material inspection | Check metal chemistry & mechanical properties; verify coating thickness; inspect polymers | Ensures every clamp starts from qualified raw materials. |
| In-process control | Dimensional checks, assembly checks, process monitoring | Keeps production consistent; reduces hidden defects. |
| Batch / routine testing | Sample tensile and slip tests on finished assemblies | Confirms each batch meets rated mechanical performance. |
| Third-party laboratory tests | Type tests for new designs or ratings; periodic re-validation | Independent proof that ratings and performance are real, not just claimed. |
| Customer-witness tests | Invite key customers to witness critical tests for large or strategic projects | Builds trust and traceability for utilities and EPCs. |
FAQ
Q: What is a dead end clamp in an overhead power line or ADSS fiber network?
A: A dead end clamp (also called a tension clamp or strain clamp) is a hardware fitting used to terminate and anchor a conductor or fiber cable at the end of a span. It transfers the full mechanical tension from the cable to the pole/tower and prevents the cable from slipping under wind, ice and temperature changes.
Q: What is the difference between a dead end clamp and a suspension clamp? (dead end clamp vs suspension clamp vs tension clamp)
A: A dead end clamp (dead end tension clamp/dead end strain clamp/anchor clamp) is designed to hold and lock the cable, taking the full axial tension at terminals, angles and tension towers. A suspension clamp is designed to hang and support the cable at intermediate points, allowing limited movement and mainly carrying vertical load. In short: dead end clamps anchor the span, suspension clamps carry the span.
Q: For ADSS and OPGW projects, do I always need a preformed dead end grip?
A: For most ADSS long-span / high-tension and OPGW / OPPC applications, a preformed (helical) dead end grip is strongly recommended because it distributes stress along a longer length and is much kinder to the fiber core. Lite-tension or wedge-type dead ends may be used in short-span, low-tension or FTTH-style applications, but they are not suitable for heavy, critical spans like highway or river crossings.
DIMI suggestion: share your span lengths and cable RTS with us, and we'll confirm whether a lite-tension, medium-tension or full preformed dead end is appropriate.
Q: How can I check if a specific dead end clamp model fits my existing ADSS/OPGW cable from another brand?
A: Check three key items from your cable datasheet: outer diameter, RTS/UTS, and sheath/material type. If these match the dead end clamp's diameter range and rated mechanical load – and the clamp is designed for that cable family (ADSS, OPGW, FTTH, etc.) – it is usually compatible.
With DIMI, you can simply send us the cable datasheet + route conditions, and we'll recommend the correct dead end clamp model and full hardware string.
Q: In an old line refurbishment, can I directly replace the original brand's dead end clamp with a DIMI dead end clamp?
A: Yes, in most retrofit projects you can replace existing hardware with a DIMI dead end clamp, as long as we match the conductor/cable diameter, RTS/UTS, and tension regime. For OPGW/OPPC and ADSS, we also review the existing tower hardware and grounding layout to ensure a clean mechanical and electrical interface.
DIMI can help you build a "drop-in replacement" plan so the new dead ends fit your current line design and clearances.
Q:What test reports or certifications can DIMI provide for dead end clamps for ADSS, OPGW and FTTH?
A: DIMI can provide type test reports and, where applicable, routine test summaries covering tensile/breaking strength, slip load, fatigue/vibration, salt-spray corrosion and UV/climate aging according to relevant overhead line and fiber hardware standards (e.g. IEC-type programs).
For utility and carrier projects, we can support third-party lab tests and customer-witnessed tests when required by your specification.
Q: Are DIMI dead end clamps suitable for coastal, high-corrosion or extreme climate environments?
A: Yes. Our dead end clamps for overhead lines and ADSS/OPGW systems use hot-dip galvanized steel, aluminum alloys and UV-stabilized polymers, combined with corrosion and aging tests (e.g. salt spray and UV exposure) to validate performance in harsh environments.
When you tell us your project is coastal, desert, high-pollution or very cold/hot, we'll choose suitable materials and coatings and, if needed, recommend upgraded hardware.
Q: For FTTH / aerial drop cable, what type of anchoring clamp should I use and what span length is typical?
A: For FTTH aerial drop cable, you normally use a drop wire clamp / anchoring tension clamp for FTTH drop cable (often a wedge-type plastic+steel design) that grips the flat or round drop cable without damaging the sheath. Typical spans are on the order of 20–40 m between attachment points, depending on cable type and local loading, with clamps designed to prevent sagging and sheath damage.
DIMI offers FTTH anchoring clamps optimized for rapid installation (often no tools) and outdoor UV/corrosion resistance.
Q: Can I reuse a dead end clamp after dismantling a span? (preformed dead end vs bolted dead end)
A: Bolted / gun-type dead end clamps can sometimes be reused if they have no corrosion, no deformation and the dead end clamp manufacturers explicitly allows it – but they should always be inspected carefully. Preformed dead end grips for ADSS/OPGW are generally not reusable: once they have been installed and loaded, re-opening and re-wrapping them can compromise grip performance and damage the cable.
DIMI's conservative recommendation for fiber systems is: treat preformed dead ends as single-use safety components.
Q: Do you support small orders, samples and engineering help for pilot projects?
A: Yes. DIMI supports small-batch orders, samples and pilot-project kits for ADSS, OPGW/OPPC and FTTH, so you can test our dead end clamps and related hardware on a limited section before full rollout. We also provide free basic engineering support – checking your cable data and spans, and suggesting a suitable dead end clamp model and hardware configuration – even for smaller projects.
