Fibre Optic Information by Anderson Corporation Pty Ltd

07/09/2026

All-dielectric construction is one of the defining reasons ADSS fibre optic cable belongs in discussions about power infrastructure.

ADSS contains no metallic strength members and requires no separate steel messenger wire.

This means the cable does not introduce a continuous metallic path between supporting structures.

For utilities and infrastructure operators, that distinction can reduce the cable-specific bonding, grounding and electrical considerations associated with metallic aerial systems.

However, “all-dielectric” does not mean “electrically unaffected”.

An ADSS cable installed near energised conductors can still operate within an electrical field. Its position on the pole or tower influences the electrical space potential at the cable location.

Moisture and airborne contamination can also accumulate on the cable surface. Under certain electrical conditions, small surface currents may develop along a contaminated sheath.

Over time, this activity can contribute to sheath tracking and erosion if the cable jacket is unsuitable for the environment.

Therefore, a successful ADSS installation must consider more than the absence of metal.

The project should assess:

• System voltage
• Cable position relative to conductors
• Electrical space potential
• Pole or tower geometry
• Surface contamination
• Coastal or industrial exposure
• Jacket material and tracking resistance
• Required electrical clearances

This does not make ADSS unsuitable near power infrastructure.

It explains why ADSS must be selected as a purpose-built utility communications cable—not treated as generic outdoor fibre.

Its all-dielectric construction provides important advantages.

Meanwhile, the correct jacket system and installation position help the cable operate reliably within the surrounding electrical environment.

The RapidConnect® A-Series combines all-dielectric self-supporting construction with an anti-tracking jacket across three practical span platforms:

• A100 — spans up to 100 metres
• A250 — spans up to 250 metres
• A500 — spans up to 500 metres

This provides a consistent aerial fibre platform for suitable utility, electrical-distribution and critical-infrastructure applications.

Ultimately, all-dielectric construction removes the metallic pathway.

Good engineering determines where and how the cable should be installed.

Both matter.

Because ADSS does not become suitable for power infrastructure merely by containing no metal.

It becomes suitable when its construction, jacket, span platform and installation position match the conditions surrounding it.

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06/09/2026

Aerial fibre cable does not experience one environmental challenge at a time.

It experiences years of combined exposure.

Wind moves the cable. Ultraviolet radiation affects the outer jacket. Temperature changes alter sag and tension. Moisture, pollution and airborne contamination remain on the cable surface.

Individually, these conditions may appear manageable.

Together, they shape the cable’s long-term performance.

Wind is one of the most visible forces.

It applies load across the suspended cable and transfers that force into the strength system, fittings, attachment points and supporting structures. Repeated movement can also place continuing stress on the cable near suspension and dead-end locations.

Ultraviolet exposure works differently.

UV radiation does not usually cause immediate failure. Instead, prolonged exposure can gradually change the properties of an unsuitable jacket, reducing flexibility and increasing the risk of surface deterioration.

Heat adds another layer.

High temperatures can accelerate material ageing. Meanwhile, daily and seasonal temperature changes cause the cable to expand and contract, altering its sag and mechanical loading.

Storms can combine several of these forces at once:

• High wind speeds
• Rapid temperature changes
• Driving rain
• Debris impact
• Falling vegetation
• Movement of poles and attachments

Coastal and industrial environments may introduce additional contamination. Salt, dust and airborne pollutants can accumulate on the sheath, particularly where the cable operates near electrical infrastructure.

Therefore, outdoor-rated does not necessarily mean suitable for long-term aerial service.

A reliable ADSS system must account for:

• Wind performance
• UV-resistant jacket materials
• Expected temperature range
• Cable tension and sag
• Electrical environment
• Route exposure
• Suitable installation hardware
• Inspection and maintenance access

Australia’s climate makes this especially important.

A cable may cross exposed regional terrain, operate in intense sunlight, experience extreme heat and remain in service through decades of storms and seasonal temperature changes.

For that reason, aerial fibre should be assessed over its intended service life—not only by how it performs on installation day.

The RapidConnect® A-Series provides A100, A250 and A500 span platforms with a consistent 200 km/h wind-rating basis, all-dielectric construction and an anti-tracking jacket.

That defined platform gives designers and contractors a clear starting point for aerial networks exposed to demanding Australian conditions.

Because environmental durability is not one feature printed on a datasheet.

It is the ability of the complete cable system to keep performing as years of exposure accumulate.

03/09/2026

Should a fibre optic route be aerial or underground?

The answer should come from the infrastructure—not from a preference for one cable type.

ADSS fibre optic cable and underground fibre cable solve different pathway challenges.

ADSS creates a self-supporting optical route between suitable poles or towers. Underground fibre relies on a protective pathway such as conduit, duct or a purpose-designed direct-buried system.

Each approach offers distinct advantages.

An ADSS route may be practical where:

• Suitable pole infrastructure already exists
• Excavation would be difficult or disruptive
• The network must cross uneven or inaccessible terrain
• Electrical distribution assets follow the required route
• A self-supporting, all-dielectric cable is preferred
• Long aerial crossings form part of the project

An underground route may be preferable where:

• Suitable conduit or duct infrastructure already exists
• Visual impact must be minimised
• Pole access is unavailable or unsuitable
• The route passes through dense urban areas
• Aerial clearances cannot be maintained
• Exposure to falling trees, vehicle strikes or severe aerial events must be reduced

Neither method eliminates risk.

Aerial networks remain exposed to wind, ultraviolet radiation, storms, vegetation and damage to supporting poles.

Underground networks face different challenges, including water ingress, blocked conduits, pit flooding, excavation damage, pulling tension and rodent exposure.

Installation cost also depends heavily on the route.

Using existing poles may reduce the need for continuous trenching. However, pole assessment, access equipment, clearances, attachment points and aerial installation must still be considered.

Likewise, underground fibre may be straightforward where usable conduit already exists. If a new pathway must be excavated across difficult terrain, the civil works can become the largest part of the project.

Some networks will use both systems.

ADSS may carry fibre across a regional pole route before transitioning into conduit near a building, substation or communications facility. At that transition, each cable must remain within its intended application.

The important distinction is simple:

• ADSS is engineered to support itself above ground
• Underground cable is engineered to operate within or beneath a protective pathway

One should not be used as a substitute for the other merely because both contain optical fibre.

Reliable network design begins by selecting the pathway first—and then choosing the cable engineered for that environment.

Because the best fibre cable is not the one promoted for every application.

It is the one that belongs in the infrastructure being built.

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02/09/2026

An ADSS fibre optic cable should not be pulled tight enough to look like a straight line between two poles.

The natural curve in the cable is called sag—and it is an intentional part of the aerial design.

Sag and tension are directly connected.

If tension increases, the cable becomes tighter and sag decreases.

If tension decreases, sag increases.

The objective is to establish the correct balance so the cable maintains its required clearances without placing excessive mechanical load on the cable, hardware or supporting structures.

Too much tension may increase stress on:

• The cable’s strength system
• Dead-end and suspension hardware
• Pole attachment points
• The supporting structures
• The cable during wind and temperature changes

Too much sag creates different risks.

The cable may fail to maintain the required ground clearance or become unsuitable at roads, driveways, waterways and other crossings. Greater movement can also occur under changing wind conditions.

Temperature adds another consideration.

A cable can contract in colder conditions and expand as temperatures rise. Consequently, tension and sag can change throughout the year—even though the attachment points remain fixed.

This is why the cable must remain within acceptable limits across the expected operating temperature range, not merely on the day it is installed.

The required balance depends on several factors:

• Pole-to-pole span length
• Selected ADSS platform
• Cable weight and diameter
• Installation temperature
• Wind loading
• Required clearances
• Pole and attachment capacity
• Suspension and dead-end hardware

However, this does not mean that every span requires a completely different cable design.

The RapidConnect® A-Series provides three standardised starting points:

• A100 — spans up to 100 metres
• A250 — spans up to 250 metres
• A500 — spans up to 500 metres

Once the appropriate platform has been selected, the cable can be installed in accordance with the applicable sag-and-tension information and matched with suitable hardware.

This keeps the selection process clear while still recognising that an aerial cable must be installed correctly.

Sag is not evidence that a cable is loose.

Tension is not evidence that a cable is secure.

Both must work together so the aerial system can manage its own weight, environmental loading and required clearances throughout its service life.

Because the correct aerial installation is not the tightest one.

It is the one that maintains the right mechanical balance.

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01/09/2026

Building fibre networks across regional and remote Australia can become difficult long before the cable is installed.

Long distances, rocky ground, waterways, steep terrain and limited access can make trenching and underground pathway construction expensive and disruptive.

In some locations, however, the route already contains useful infrastructure:

A continuous line of poles.

ADSS fibre optic cable can use suitable existing or newly constructed pole routes to extend high-capacity communications without requiring a continuous underground pathway.

This can support connections between:

• Regional communities
• Utility substations
• Telecommunications sites
• Mining and industrial facilities
• Renewable energy projects
• Remote monitoring equipment
• Agricultural and operational sites
• Transport and infrastructure assets

The advantage is not simply that the cable travels above ground.

ADSS is purpose-built to support itself between poles without a separate metallic messenger wire. Its all-dielectric construction also makes it particularly relevant where communications follow electrical distribution infrastructure.

For regional projects, this can reduce dependence on extensive excavation and help networks cross areas where underground construction would be difficult.

However, an available pole route is not automatically a suitable fibre route.

The project must still consider:

• Pole condition and loading capacity
• Actual distance between poles
• Road, railway and waterway crossings
• Required sag and ground clearance
• Wind exposure
• Bushfire and vegetation risks
• Access for installation and maintenance
• Electrical clearances
• Compatible suspension and dead-end hardware

Regional terrain can also create substantial variation along one route.

Most spans may be relatively short, while a valley, river or road crossing requires a much longer aerial section. Open plains and elevated areas may also experience greater wind exposure than sheltered sections.

The RapidConnect® A-Series simplifies cable selection across these changing distances:

• A100 — spans up to 100 metres
• A250 — spans up to 250 metres
• A500 — spans up to 500 metres

All three platforms provide a consistent 200 km/h wind-rating basis, all-dielectric construction and G.657.A2 Singlemode fibre.

This allows a project to select the platform that accommodates its longest required span, then confirm the supporting structures, clearances and hardware appropriate to the route.

ADSS will not replace underground fibre in every regional project.

However, where a suitable pole corridor exists, it can provide a practical way to extend reliable communications across long distances and difficult terrain.

Because connecting remote assets should not always require rebuilding the pathway from the ground up.

Explore the RapidConnect® A-Series ADSS Fibre Optic Cable range:

https://andcorp.com.au/product/all-dielectric-self-supporting-fibre-optic-cable/

Premium ADSS Fibre Optic Cable for Australian aerial networks. RapidConnect A-Series offers 100m, 250m and 500m span platforms with G.657.A2 fibre.

31/08/2026

How does ADSS fibre optic cable support itself without a steel messenger wire?

The answer lies in the complete cable construction.

ADSS stands for All-Dielectric Self-Supporting. Instead of suspending the optical cable beneath a separate metallic messenger, the cable incorporates its supporting strength within its own structure.

In the RapidConnect® A-Series, several components work together:

• Outer jacket
• Flat GRP strength members
• Water-blocking elements
• Loose tubes
• Central strength member
• G.657.A2 Singlemode optical fibres

Each component performs a different role.

The outer jacket protects the internal construction from ultraviolet exposure, moisture, weather and handling. The A-Series also uses an anti-tracking jacket to support installation in suitable electrical environments.

Beneath the jacket, the flat GRP strength members provide the tensile reinforcement that allows the cable to carry mechanical loads across the span.

GRP is non-metallic. Therefore, it contributes to the cable’s strength while preserving the all-dielectric construction that distinguishes ADSS from messenger-supported metallic aerial systems.

Inside the cable, the loose tubes protect and organise the optical fibres. This construction allows the fibres to remain protected from the mechanical forces experienced by the outer cable during installation and service.

Water-blocking elements help restrict the longitudinal movement of moisture if the outer jacket becomes damaged.

Meanwhile, the central strength member provides a stable foundation around which the loose tubes are arranged.

At the centre of the communications function are the G.657.A2 Singlemode fibres. Their bend-insensitive performance helps protect optical reliability where the cable encounters controlled bending during handling, installation and termination.

No individual layer makes the cable self-supporting.

Instead, the complete construction works as one engineered system:

• The jacket protects
• The GRP carries tensile load
• The water blocking limits moisture movement
• The loose tubes protect the fibres
• The central member stabilises the cable core
• The optical fibres carry the communications

The RapidConnect® A-Series then converts this construction into three straightforward span platforms:

• A100 — spans up to 100 metres
• A250 — spans up to 250 metres
• A500 — spans up to 500 metres

Each platform uses the same basic engineering principle: the cable supports itself through its integrated non-metallic strength system.

That is what makes ADSS more than ordinary outdoor fibre placed between poles.

It is a purpose-built aerial cable in which optical protection and mechanical support form one complete structure.

Explore the RapidConnect® A-Series ADSS Fibre Optic Cable range:

https://andcorp.com.au/product/all-dielectric-self-supporting-fibre-optic-cable/

Premium ADSS Fibre Optic Cable for Australian aerial networks. RapidConnect A-Series offers 100m, 250m and 500m span platforms with G.657.A2 fibre.

30/08/2026

Incorrect tensioning can damage an ADSS fibre optic cable long before the network experiences its first major storm.

An aerial cable must be installed with enough tension to achieve the required sag and clearances—but not so much that the cable or supporting infrastructure is overloaded.

If the installation tension is too high, it can place excessive mechanical stress on:

• The cable’s strength members
• Suspension and dead-end fittings
• Pole attachment points
• Cable sections around bends and hardware
• The optical fibres within the cable

The cable may still pass its initial optical test. However, excessive stress can reduce its ability to tolerate future wind, temperature changes and repeated movement throughout its service life.

Insufficient tension creates a different set of problems.

Too much sag may reduce ground clearance, compromise road or property crossings and allow the cable to move more extensively in windy conditions. It may also alter the way forces are transferred through the hardware and supporting structures.

Correct tensioning is therefore about achieving balance.

The objective is not to pull the cable as tightly as possible. Nor is it simply to make the span look level.

The correct installation must consider:

• The selected ADSS span platform
• Actual pole-to-pole distance
• Required sag
• Installation temperature
• Cable weight and mechanical limits
• Wind loading
• Supporting structures
• Compatible suspension and dead-end hardware

The hardware is particularly important.

Dead-end fittings must transfer the required load without crushing or damaging the cable. Suspension hardware must support the cable while allowing it to manage movement and changing environmental conditions.

This is why cable and hardware should be selected as one aerial system.

The RapidConnect® A-Series simplifies the first stage through three defined platforms:

• A100 — spans up to 100 metres
• A250 — spans up to 250 metres
• A500 — spans up to 500 metres

Once the correct platform has been selected, it can be matched with the appropriate installation hardware and guidance for that span category.

Correct tensioning does not make ADSS unnecessarily complicated.

It is simply part of installing a self-supporting cable in the way it was designed to perform.

Because long-term aerial reliability depends not only on which cable is installed—but also on how that cable is placed under load.

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27/08/2026

ADSS and Figure-8 fibre optic cable can both be installed between poles.

However, they support themselves in fundamentally different ways.

A conventional Figure-8 cable combines two elements within one outer profile:

• The fibre optic cable
• A separate supporting messenger wire

The messenger carries the mechanical load, while the fibre cable sits beneath it. Viewed from the end, this combined construction resembles the number eight—hence the name Figure-8 cable.

In many traditional Figure-8 designs, the messenger is made from steel.

This provides a strong and familiar aerial construction for telecommunications routes. However, the metallic messenger may also introduce bonding, grounding and electrical-clearance considerations.

ADSS takes a different approach.

ADSS stands for All-Dielectric Self-Supporting.

Instead of relying on a separate steel messenger, the cable’s strength system is incorporated within the cable construction itself. The RapidConnect® A-Series uses flat GRP strength members to support the cable across its designed span.

This creates one compact, all-dielectric aerial cable without a metallic messenger wire.

The practical distinction is:

• Figure-8 cable is supported by an attached messenger
• ADSS supports itself through its internal strength system

This difference becomes particularly important around electrical infrastructure.

Because ADSS contains no metallic strength components, it does not introduce a continuous conductive cable element between poles. Therefore, it provides a cleaner all-dielectric architecture for many utility and electrical-distribution applications.

Figure-8 cable can still be a practical solution for suitable telecommunications routes where a messenger-supported design is preferred and the metallic components can be properly accommodated.

Neither construction should be selected by appearance or fibre count alone.

The project should consider:

• The type of pole infrastructure
• Proximity to electrical conductors
• Required span length
• Wind loading
• Bonding and grounding requirements
• Installation hardware
• Long-term maintenance conditions

For aerial routes near electrical infrastructure, ADSS offers a clear advantage: the cable is both self-supporting and entirely dielectric.

With A100, A250 and A500 platforms, the RapidConnect® A-Series extends that architecture across spans of up to 100, 250 and 500 metres.

Figure-8 and ADSS may both place fibre above ground.

But they are not the same aerial cable system.

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26/08/2026

ADSS fibre optic cable selection does not need to become a different cable-design exercise for every pole-to-pole span.

Most aerial projects can be covered by answering one practical question:

How far does the cable need to span?

The RapidConnect® A-Series simplifies that decision through three clearly defined ADSS platforms:

• A100 — spans up to 100 metres
• A250 — spans up to 250 metres
• A500 — spans up to 500 metres

A route containing spans of 50, 70 and 90 metres can use the A100 platform.

If the longest span extends beyond 100 metres but remains within 250 metres, the project moves to A250.

For longer aerial crossings, A500 provides a standard platform for spans up to 500 metres.

This means designers and contractors do not need to specify a unique cable for every individual distance along a route.

Instead, they can select the A-Series platform that accommodates the longest required span.

Importantly, span length is not the only feature standardised across the range.

The RapidConnect® A-Series has been developed as an infrastructure-grade aerial fibre platform incorporating:

• A standard 200 km/h wind rating
• All-dielectric self-supporting construction
• Flat GRP strength members
• G.657.A2 Singlemode optical fibre
• Water-blocked loose-tube construction
• Compatible suspension and dead-end hardware

This gives utilities, telecommunications providers, contractors and infrastructure operators a consistent basis for specifying aerial fibre.

The supporting structures, installation clearances, sag and hardware still need to be appropriate for the route. However, the initial cable-selection process remains straightforward:

1. Identify the longest pole-to-pole span.
2. Select A100, A250 or A500.
3. Choose the required fibre count.
4. Match the platform with the appropriate hardware.

Three platforms.

Spans from short pole-to-pole connections through to 500-metre aerial crossings.

One consistent RapidConnect® A-Series approach.

Explore the complete RapidConnect® A-Series ADSS Fibre Optic Cable range:

https://andcorp.com.au/product/all-dielectric-self-supporting-fibre-optic-cable/

Premium ADSS Fibre Optic Cable for Australian aerial networks. RapidConnect A-Series offers 100m, 250m and 500m span platforms with G.657.A2 fibre.

25/08/2026

Electricity distribution networks increasingly depend on communications infrastructure.

Protection, monitoring and control systems need reliable connections between substations, field equipment, operations centres and other network assets.

In many cases, the power network already has something a new communications route needs:

A continuous line of poles.

ADSS fibre optic cable can use that existing aerial corridor to create a dedicated optical pathway across the distribution network.

Typical applications can include:

• Substation-to-substation communications
• SCADA and network monitoring
• Protection and control signalling
• Remote equipment management
• Fault detection and location systems
• Distribution automation
• Smart-grid infrastructure
• Security and surveillance systems
• Voice and operational data

Because ADSS is all-dielectric, it contains no metallic strength components. Therefore, it does not introduce a continuous conductive path along the cable route.

It is also self-supporting, which means it can span between suitable poles without requiring a separate metallic messenger wire.

However, access to an existing pole route does not make the installation straightforward.

Before selecting an ADSS system, the project must consider:

• The distance between individual poles
• The condition and loading capacity of the structures
• Cable sag and required clearances
• Wind exposure along the route
• The position of the cable relative to electrical conductors
• Electrical space potential
• Suspension and dead-end hardware
• Road, railway and property crossings
• Future maintenance access

Conditions may also change throughout the route.

A short sheltered span may lead to a longer exposed crossing. Pole construction may vary. Electrical conditions can change near substations or higher-voltage sections of the network.

Consequently, one cable design should not be assumed suitable for every span simply because the entire route forms part of the same project.

The cable and hardware system must be matched to the most demanding conditions it will encounter—or the route must be divided into correctly engineered sections.

ADSS gives electrical distribution networks a practical way to extend high-capacity communications across existing aerial infrastructure.

But the poles only provide the pathway.

Long-term reliability still depends on engineering the cable, spans, hardware and electrical environment as one complete system.

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