PVC Signal Control Cable for Industrial Automation

PVC Signal Control Cable provides flexible low-voltage connectivity for sensors, actuators, controllers, automation equipment and monitoring systems where a durable PVC outer jacket is suitable for the installation. ETK Kablo manufactures a broad range of PVC-jacketed signal control cables with unscreened, foil-screened, braid-screened, combined-screen and mechanically protected constructions.

The ETK Kablo portfolio includes well-established cable families such as LIYY, LIYCY, LIY(St)Y, LIY(St)CY and corresponding LI2Y constructions. TP/TT and PiMF/TiMF versions are also available within selected families for projects requiring defined conductor grouping or additional circuit-to-circuit separation.

Selecting the correct PVC signal cable requires more than choosing the number of conductors. Screening architecture, conductor grouping, insulation material, electromagnetic environment, mechanical protection, voltage requirement and installation route should all form part of the specification.

What Is a PVC Signal Control Cable?

A PVC signal control cable is a flexible low-voltage cable used primarily to transmit analogue or digital signals between devices in automation, monitoring and control systems.

PVC forms the outer jacket across this category, providing a practical and durable material system for many indoor and protected industrial installations.

However, not every cable in the category uses PVC conductor insulation. Some ETK Kablo constructions use polyethylene insulation together with a PVC outer jacket. Therefore, the complete cable code should always be checked when insulation material is technically important.

ETK Kablo PVC Signal Control Cable Range

Category	Main Electrical / Mechanical Feature	Typical Cable Families
Unscreened	No dedicated metallic screen	LIYY, LIYY-TP/TT
Foil Screened	Overall foil screen	LIY(St)Y, LI2Y(St)Y and variants
Braid Screened	Tinned copper braid screen	LIYCY, LI2YCY and variants
Foil + Braid Screened	Combined foil and copper braid	LIY(St)CY, LI2Y(St)CY and variants
Steel Wire Braided	Mechanical steel-wire braid with selected electrical screens	Foil, braid and foil + braid subfamilies
Steel Wire Armored	Steel wire armor with selected electrical screens	Foil, braid and foil + braid subfamilies

LIYY Unscreened PVC Signal Control Cable

LIYY is one of the principal unscreened signal cable families in the ETK Kablo range.

The construction uses flexible stranded copper conductors, PVC insulation and a PVC outer jacket. Because standard LIYY does not contain a dedicated metallic screen, it provides a compact solution for control and signal circuits in environments where electromagnetic interference remains limited.

LIYY can suit connections between sensors, controllers, terminal boxes, monitoring equipment and other low-voltage devices in industrial automation systems.

ETK Kablo also manufactures LIYY-TP/TT versions where conductors are arranged as twisted pairs or triads.

LIY(St)Y Foil Screened Signal Control Cable

LIY(St)Y adds an overall foil screen to the flexible signal cable architecture.

The metallic foil surrounds the assembled cable core and helps reduce the influence of external electromagnetic interference on sensitive signals.

This construction can provide an efficient screened solution where the project requires broad overall coverage without the additional copper braid used in LIYCY or LIY(St)CY designs.

ETK Kablo also manufactures TP/TT and PiMF/TiMF versions within the foil-screened family.

LI2Y(St)Y PE-Insulated Foil Screened Cable

LI2Y(St)Y illustrates an important distinction within the PVC Signal Control Cable category.

The construction uses flexible copper conductors with solid polyethylene insulation, an overall Al/PET foil screen and a PVC outer jacket.

Therefore, the term PVC in this category should not automatically be interpreted as meaning that every conductor uses PVC insulation.

LI2Y(St)Y can be relevant where the project requires polyethylene conductor insulation together with an overall foil screen and PVC outer sheath.

LIYCY Braid Screened PVC Signal Control Cable

LIYCY uses an overall tinned copper braid for electromagnetic shielding.

The braid creates a flexible conductive layer around the cable core and can improve signal stability where nearby motors, drives, power cables or switching equipment create electrical noise.

LIYCY is therefore one of the most important ETK Kablo cable families for screened industrial signal transmission.

TP/TT variants are also available for projects requiring pair or triad organization.

LI2YCY Braid Screened Signal Cable

LI2YCY combines a braid-screened signal architecture with a different insulation system from conventional LIYCY.

The cable belongs to the same PVC-jacketed category but should be selected according to its specific insulation, electrical and installation characteristics.

This distinction again shows why exact cable codes are more useful than treating every PVC signal cable as one identical construction.

LIY(St)CY Foil and Braid Screened Signal Cable

LIY(St)CY combines two electromagnetic-screening systems in one cable.

An overall foil provides broad coverage around the signal conductors, while a tinned copper braid adds a second conductive screening layer.

This combined architecture can suit electrically demanding industrial environments where one overall screen does not provide the project’s preferred EMC construction.

ETK Kablo also manufactures TP/TT and PiMF/TiMF versions within this family.

LI2Y(St)CY Combined-Screen Signal Cable

LI2Y(St)CY combines PE-insulated signal conductors with overall foil and braid screening together with a PVC outer jacket.

The construction provides another option for projects requiring polyethylene insulation and a more substantial electromagnetic-screen architecture.

As with the other LI2Y families, the insulation material and jacket material should be treated as separate specification items.

Unscreened vs Foil vs Braid vs Foil + Braid

Architecture	Typical ETK Family	Main Function
Unscreened	LIYY	Simple signal transmission where EMI is limited
Foil Screen	LIY(St)Y	Compact overall electromagnetic shielding
Copper Braid	LIYCY	Flexible and robust overall electromagnetic shielding
Foil + Copper Braid	LIY(St)CY	Combined overall shielding for more demanding EMC environments

The most heavily screened cable is not automatically the correct solution for every project. Additional screens increase cable diameter, weight, termination work and cost.

Screening should therefore follow the actual electromagnetic environment and signal sensitivity.

Foil Screen vs Copper Braid

A foil screen uses a thin metallic laminate around the cable core. It provides broad surface coverage while keeping the construction relatively compact.

A copper braid uses many fine conductive wires woven around the cable core. It provides a flexible conductive screen with robust electrical continuity.

Combined foil-and-braid constructions use both systems where the project requires additional screening.

The correct screen also depends on termination and grounding practice. A screened cable cannot provide its intended EMC performance if the installed system does not terminate the screen correctly.

TP and TT PVC Signal Control Cable

TP and TT describe conductors organized as twisted pairs or twisted triads.

Twisting helps improve electrical balance and can reduce unwanted coupling from surrounding electromagnetic fields.

Pair and triad organization also makes it easier to assign defined conductor groups to specific measurement, monitoring or control circuits.

ETK Kablo manufactures TP/TT versions across several PVC signal cable families, including unscreened, foil-screened and braid-screened designs.

PiMF and TiMF PVC Signal Control Cable

PiMF means pairs individually screened in metal foil, while TiMF describes individually screened triads.

These constructions provide additional electrical separation between signal circuits inside the same cable.

PiMF and TiMF can be useful where several sensitive analogue or digital signals share one cable and circuit-to-circuit coupling needs greater control.

Individual screening adds cable diameter and termination work, so it should follow a real EMC or signal-integrity requirement.

Steel Wire Braided PVC Signal Control Cable

Some signal routes require mechanical reinforcement in addition to electromagnetic screening.

ETK Kablo's Steel Wire Braided Signal Control Cable range provides mechanically protected PVC-jacketed constructions.

ETK Kablo offers steel-wire-braided constructions with:

• Foil Screened
• Braid Screened
• Foil + Braid Screened

This structure allows the project to specify the electrical screening system independently from the steel-wire mechanical layer.

Steel Wire Armored PVC Signal Control Cable

ETK Kablo also manufactures Steel Wire Armored Signal Control Cables for more demanding fixed installations.

The SWA range includes separate foil-screened, braid-screened and combined foil + braid constructions.

Steel wire armor provides physical protection against mechanical stress. It should not be confused with the copper or foil screens responsible for signal shielding.

The installation should also follow the applicable bonding and grounding requirements for metallic armor.

Signal Screening vs Mechanical Protection

Construction Element	Main Purpose
Al/PET Foil	Electromagnetic screening
Tinned Copper Braid	Electromagnetic screening
Foil + Copper Braid	Combined electromagnetic screening
Steel Wire Braid	Mechanical reinforcement
Steel Wire Armor	Mechanical protection

Confusing these functions can lead to an incorrect cable specification. Electrical screens protect signal integrity, while steel protection addresses physical installation risks.

Why PVC Is Used for Signal Control Cable

PVC remains widely used in industrial signal cabling because it combines electrical insulation, mechanical durability, flexibility and cost efficiency.

A PVC outer jacket can provide a practical solution for indoor and protected industrial installations where the project does not require a halogen-free sheath.

However, suitability for oil, chemicals, UV exposure or other environmental conditions should always be confirmed from the exact cable construction rather than assumed for every PVC product.

PVC vs LSZH Signal Control Cable

PVC and LSZH signal cables address different material requirements while serving similar signal-transmission functions.

Characteristic	PVC Signal Control Cable	LSZH Signal Control Cable
Typical ETK Families	LIYY, LIYCY, LIY(St)Y, LIY(St)CY	LIHH, LIHCH, LIH(St)H, LIH(St)CH
Outer Jacket	PVC	Halogen-free compound
Smoke / Halogen Requirement	Conventional PVC material behavior	Used where low-smoke and halogen-related requirements apply
Screening Options	Unscreened, foil, braid, combined and mechanically protected	Unscreened, foil, braid, combined and mechanically protected

PVC can remain the correct technical and commercial choice where the project specification permits it. LSZH should be selected where the building, infrastructure or fire strategy requires halogen-free materials.

Neither PVC nor LSZH terminology defines fire-resistant circuit integrity. FE180 or PH120 performance requires a separately designed and tested fire-resistant cable.

PVC Signal Cable for Industrial Automation

PVC signal control cables can connect many of the low-voltage devices used in industrial automation systems.

Typical applications include:

• PLC input and output circuits
• Sensors and limit switches
• Actuators and valves
• Machine monitoring systems
• Control cabinets
• HVAC automation
• Building-management interfaces
• Production machinery
• Industrial alarm circuits
• Process-monitoring equipment

The signal type and electromagnetic environment should determine the exact cable family.

PVC Signal Cable for Machinery

Flexible stranded conductors can simplify installation inside machinery, control panels and other confined industrial spaces.

However, a flexible conductor does not automatically mean that the cable is designed for continuous high-cycle drag-chain, robotic or torsional movement.

Where the cable will move continuously during machine operation, the dynamic requirement should be specified separately and confirmed for the exact product.

PVC Signal Cable for BMS and HVAC

Building-management and HVAC systems use low-voltage signals between sensors, controllers, actuators and monitoring equipment.

PVC signal cables can provide suitable connectivity where the building specification permits PVC materials.

Screened constructions may be appropriate where signal routes run near electrical equipment or other sources of electromagnetic interference.

PVC Signal Control Cable vs Control Cable

Signal control cable and conventional industrial control cable can overlap in commercial terminology, but ETK Kablo separates the product families.

Characteristic	PVC Signal Control Cable	Control Cable
Typical Families	LIYY, LIYCY, LIY(St)Y, LIY(St)CY	YSLY, YSLCY, YSLYCY
Main Focus	Low-level signal and monitoring circuits	Machinery and multi-core control circuits
Screening Architecture	Extensive foil, braid and individual-screen options	Screened and unscreened designs according to construction

The actual circuit requirements should determine which product family is appropriate rather than relying only on the generic word control.

PVC Signal Control Cable vs Instrumentation Cable

Instrumentation cables are specifically designed around measurement and process-control circuits and commonly use defined pair, triad and screening architectures.

ETK Kablo instrumentation products include RE-series constructions, while the PVC Signal Control Cable range primarily uses LI-series families.

A project specification calling for an RE-series instrumentation cable should therefore not automatically be replaced with a generic LIYY or LIYCY cable.

Voltage and Conductor Size

Electrical ratings vary across the ETK Kablo PVC signal cable portfolio.

Smaller conductor cross-sections can carry different operating-voltage ratings from larger versions, while insulation material also affects technical characteristics such as insulation resistance and capacitance.

For this reason, one blanket voltage or conductor-size statement should not be applied to every PVC signal cable in the category.

The required conductor cross-section, operating voltage and electrical parameters should be confirmed from the exact product datasheet.

Flame Retardancy and CPR Requirements

Fire-performance requirements should also be treated product by product.

Selected PVC signal cable constructions include applicable single-cable flame-retardancy testing. CPR classification, where applicable, belongs to the exact tested cable and Declaration of Performance.

PVC should not automatically be associated with one common Euroclass across every unscreened, screened and armored construction.

How to Specify a PVC Signal Control Cable

A complete RFQ should define the electrical, screening and mechanical requirements separately.

Specification Item	Information to Provide
Cable Family	LIYY, LIYCY, LIY(St)Y, LIY(St)CY, LI2Y variant or required equivalent
Conductor Arrangement	Multi-core, TP/TT or PiMF/TiMF
Conductor Cross-Section	Required mm² size
Insulation	PVC, PE or construction-specific requirement
Screening	Unscreened, foil, copper braid, foil + braid or individual screens
Outer Jacket	PVC
Mechanical Protection	Standard, steel wire braid or steel wire armor
Operating Voltage	Required electrical rating
Installation Environment	Panel, machinery, indoor industrial route or other installation
Fire Requirement	Required flame and CPR characteristics where applicable
Documentation	Datasheet, DoP where applicable and project test documentation

Why Choose ETK Kablo for PVC Signal Control Cable?

ETK Kablo manufactures PVC signal control cables across several conductor, screening and mechanical-protection architectures.

The range includes LIYY unscreened cables, LIY(St)Y foil-screened designs, LIYCY braid-screened products, LIY(St)CY combined-screen constructions and corresponding TP/TT, PiMF/TiMF, SWB and SWA variants.

This portfolio allows OEMs, automation contractors, panel builders, distributors and industrial projects to select the cable according to signal sensitivity, EMC environment and mechanical route rather than adapting every application to one generic construction.

ETK Kablo can evaluate conductor configuration, insulation material, screen architecture, mechanical protection and project documentation together during the quotation process.

Frequently Asked Questions About PVC Signal Control Cable

What is a PVC signal control cable?

A PVC signal control cable is a flexible low-voltage cable used to transmit analogue or digital signals between automation, monitoring and control equipment with a PVC-jacketed cable construction.

What is LIYY cable?

LIYY is an unscreened flexible signal control cable with stranded copper conductors, PVC insulation and a PVC outer jacket.

What is LIYCY cable?

LIYCY is a flexible PVC signal control cable with an overall tinned copper braid for electromagnetic shielding.

What is LIY(St)Y cable?

LIY(St)Y is a foil-screened signal control cable. The overall metallic foil provides electromagnetic protection around the cable core.

What is LIY(St)CY cable?

LIY(St)CY combines an overall foil screen with a tinned copper braid to provide two layers of electromagnetic screening.

What does 2Y mean in LI2Y cable codes?

In the relevant ETK Kablo constructions, 2Y identifies polyethylene conductor insulation. A cable such as LI2Y(St)Y can therefore use PE insulation while retaining a PVC outer jacket.

What is the difference between LIYY and LIYCY?

LIYY is unscreened, while LIYCY uses a tinned copper braid around the cable core for electromagnetic protection.

What is the difference between LIYCY and LIY(St)Y?

LIYCY uses a copper braid screen, while LIY(St)Y uses an overall foil screen. The appropriate construction depends on the EMC and installation requirements.

What do TP and TT mean?

TP and TT describe twisted-pair and twisted-triad conductor arrangements used to organize signal circuits and improve electrical balance.

What do PiMF and TiMF mean?

PiMF and TiMF describe individually screened pairs or triads. These constructions provide additional electrical separation between individual signal circuits.

Is steel wire braid the same as copper braid screening?

No. Tinned copper braid primarily provides electromagnetic shielding, while steel wire braid primarily provides mechanical reinforcement.

Is PVC signal cable suitable for continuous movement?

Not automatically. Flexible stranded conductors assist routing and installation, but continuous drag-chain or robotic motion requires a cable specifically designed and qualified for that duty.

What information should I provide when requesting a quotation?

Provide the required cable family, conductor count or pair configuration, conductor cross-section, insulation requirement, screen architecture, SWB or SWA requirement where applicable, operating voltage, quantity, packing length and project documentation.