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Cable types and area of application

 - Cable types

All existing types of electric cables and wires are pided into several large categories:

     In each of these categories, there are many types of cable and wire products, identified by special markings. Structurally, cables and wires differ in the overall parameters of the conductive wires and the material from which they are made, the type of sheath and external protective cover, the design of the armor (if provided), and other criteria that determine the application of the products and the conditions of their use.

All types of electric cable and decoding of their models are inpidual for each inpidual category of products.

Power type of cables

This type of cable products is used to solve the problems of transporting electricity over short and long distances. The most important physical parameters of power cables are voltage and current load (permissible value of the transmitted current).

Here are some types of power cables and their applications:


Communication cable and wire

This category of electric cables and wires includes a wide variety of cable and wire products. Products are used to transmit analogгу or digital signals through a metal conductor or in an optical medium (hard plastic clad fiber).

Common types of electrical cables and their marking:


Control cables

Cable products of this type are most often used for transporting analog signals to moving and / or fixed actuating units and mechanisms, electrical appliances, etc.

Examples:


Operation cables

These types of electric cables are used to control stationary and non-stationary low-power mechanisms and electrical equipment used in construction, industrial, agricultural, and other fields (most often used to control electric motors).

Common brands and the use of electric cables of this type:

Mounting cables and wires

These types of electric cables and wires are used to combine electrical distribution devices into a single electric circuit, connect electrical equipment and industrial electrical installations, and connect electrical appliances inside aircraft and special equipment, build autonomous power supply systems and for other purposes.

Examples of such cables: For on-board communications-Rolling stock-Insulation of PVC compound-Braid from antiseptic twisted cotton yarn or a combined braid from antiseptic twisted cotton yarn and synthetic threads coated with ethyl cellulose or nitro varnish (a wire board mounting), Installation cable- Protective hose from PVC compound; installation cable - cross-linked polyolefin insulation - common screen from copper wires - armor from steel galvanized strips - outer hose made of low-flammability PVC compound - does not spread combustion during group laying in category A, control cable - PVC compound insulation - PVC compound protection hose - common screen made of tinned copper wires.

 
Signal and block system

Cables and wires of this category are for the construction of fire and / or burglar alarm systems. Their main task is the transmission of electrical signals from analog and digital sensors of smoke, movement, temperature, etc.

Cables are also used to supply power to light and sound alarms, direction indicators (for quick evacuation of people during a fire), automatic fire extinguishing devices and other devices. Common types of electrical cables and their marking: Cable-Fire-Alarms-Insulation of PVC compound of low fire hazard with low smoke and gas emissions-Sheath of PVC compound of low fire hazard with low smoke and gas emissions- Performance category regarding fire safety indicators, signal cable - insulation of PVC compound - sheath of PVC compound of low combustibility - flame retardant for group laying in category A, cable for fire protection systems - insulation from glass-mica tape applied over conductive conductors and PVC compositions - common screen made of aluminum-lavsan tape with a contact conductor of tinned copper wire-sheath made of PVC plastic - does not spread combustion according to category A-fire-resistant - low smoke and smoke and gas evolution during combustion and decay etc.

Alarm and Interlock Cables

This type of cable is used to control electrical mechanisms located in the open air. Most often used for laying along city and federal railways to regulate the operation of arrows, signaling devices, traffic lights. They are also used, for example, to control barriers in car parks.

Interlock cables, as well as previous types, can be used in security and fire alarm systems. The main difference between this cable product is its design, which allows laying cables in the ground, in the open air, in aggressive environments. Examples: Cable for signaling and blocking — sheath made of low-flammability PVC compound — armor made of galvanized steel tapes — without cushion — protective hose made of low-flammability PVC compound — does not spread combustion during group laying in category A; signal-blocking cable - core insulation and sheath made of PVC compound - Lack of protective covers - screen made of aluminum tape - do not spread combustion during group laying in category A, Signal-blocking-Hydrophobic filling-Insulation of conductors made of polyethylene-Aluminum sheath-Protective cover in the form of a hose which made of polyethylene; Signal-blocking - Multi-wire conductive core - Water-blocking materials - Reinforced aluminum sheath - Armor from two steel tapes - There is a protective polyethylene hose in the pillow under the armor - A protective cover in the form of a polyethylene hose etc.