Overview: Cables are virtually used almost in every electrical gadgets, housing complexes, industrial setup, power generation facilities etc. Generally size and application differ, but these cables form an integral part of any electrical system. Typically cables are designed and chosen carefully according to the application and working environment. Specific applications like underwater pumps need specific water resistant cables which can function underwater without any issue, which are also called as submersible cables. Similarly applications like electric arc welding require super flexible cables which are tough and abrasion resistant, known as welding cables. Both these cables mainly Welding cables and Submersible cables have one thing common, i.e. flexibility. So before deep diving in specialty cables some background regarding flexible cables is a must!
Flexible cables: On a broader note cables can be easily divided into two categories, Flexible cables and Solid conductor cables. Solid cables have a solid conductor which makes the wire rigid and strong. Due to the rigidity these wires have lower rate of flexibility thus prone to breakage if continuously flexed at a certain point. Smaller the radius of the conductor of a cable more flexibility can be expected from the cable. Flexible cables, also called as continuous flex cables, as the name suggest can flex or bend according to the requirement without sustaining damage. These flexible cables use a conductor with proper insulation and a jacket if required. Buy flexible electrical cables online at best price.
Flexible cables can be multicore i.e. they might have more than one conductor core inside them. Flexible wires have conductors which are either stranded or braided inside the cable. Stranded cables are used frequently in many applications. Generally inside a stranded cable there is a main center core and stranded wires are wrapped around the core in a helical manner. Due to such construction the stranded wires have almost the same diameter to that of the solid conductor wire but conducting area is smaller, obviously due to the smaller diameter of wires used in stranded construction. Such stranded cables are flexible and if subjected under a load, these cables distribute the load along the entire construction of the cable and not just the center core. Even though these cables have a high degree of flexibility these can have adverse effects. When the stands flex the inner radius compresses and outer radius is stretched which after a continuous flex cycles can cause a failure. Flexible cables are one of the most preferred type of cables in household applications as they can bend and twist in tight corners inside a house.
Another method if constructing a flexible cable is braiding where the conductors are braided around a centre without layering them. Due to elimination of multiple layers the cables has a uniform bend across the conductors. This type of construction eliminates development of stress at a flexing point if the cable is subjected to flexing conditions. Flexible cables can find their application in house hold wiring, electronic gadgets and industrial automation setup. Shop for flexible cables online for required applications.
Single core and Multicore cables: Single or multicore cables are used literally everywhere, from houses to parking lots, streets to malls for transmitting electricity or telecommunication signals. All electrical gadgets, machines and computers have one thing in common i.e. cables. Cable construction varies according to the application and the condition it might be used in. All cables generally have a typical construction having a core or a conductor, an insulation material, a jacket and an armor.
Single core cables and multicore cables have different construction and application area. Single core cables, as the name suggests have a single conductor usually made up of metal like copper or aluminium and has an insulation around it. Even though it has a single conductor its gauge and thickness can differ. As the diameter of the cable increases, flexibility obtained from it is reduced. Now, conductor in these wires can be a solid or stranded in construction. Solid single core cables have a good level of rigidity and toughness to it but are less flexible than stranded construction. Single core cables can sometimes be chosen for a particular applications due to being less costly and rugged in construction. Single core cables can be chosen at times when duct size is small or where a longer cable is required between joints. Single core cables can prove to be suitable for fixed installations but can also be used for internal wiring of a electrical device.
Now a days it is easy to choose from a wide variety of cables available in market and also buy such cables online. To shop for Single core cables and view its price visit https://www.industricals.com/single-core-cables
Multicore cables on the other hand have more cores in it as compared to other wires of the same type. Multicore cables have its cores grouped together in a single cable where these multiple cores carry out its own defined purpose. Multicore cables can be be used for power transmission or data transmission. Due to multiple cores grouped in a single cable these multicore cables split at the end of so as to be connected to their respective functions. Multicore cables can have a heavy duty jackets to protect it against the environmental elements and other harmful factors but this adds to the overall weight of the wire considerably.
Multicore cables, due to its versatile nature find application in various fields like automobiles and industrial facilities. These cables prove to be of tremendous help in places or applications where space is limited.
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Submersible cables: Submersible cables as the name suggest are used for specific applications which demand the cable to be in frequent contact with fluids like water. A high capacity electrical pump is used in wells and to connect these pumps submersible cables are mainly used. A submersible cable needs to be durable and reliable as the location of installation of these cables can be extreme and critical. Both round as well as flat cables are made by many manufacturers for submersible applications as well as in single and multiple conductor construction. Buy such submersible cables online available in different brands.
Submersible cables are designed to function comfortably under water and moist conditions. These may be called as the most tough cables available in the market. This rugged or tough characteristics are imparted to the cable by rubber and plastic coatings. Such coatings make sure that the cable can withstand any working conditions, right from water to oil. Shape and size of the cable varies according to the demand of the pump utilized. Choose and buy cables online.
Submersible flat cables are used in other fields apart from being used for a submersible pump, for e.g. Irrigation systems in Agro based applications or Mining applications. All these applications demand the cable to be abrasion resistant and capable of with standing stresses during installation as well as functioning. Now shop for submersible cables online.
A few types of submersible cables are as follows: Flat PVC cables, Round PVC cables, Rubber Flat cables. PVC flat cables consist of either 3 core cables or 4 core cables. Main difference between these wires is the number of cables they house, 3 core cables have 3 cables and 4 core has 4 cables in them. PVC round submersible cables are also available in 3 or 4 core configurations and mainly find applications in places like sewage or places where the environment can be acidic. These round cables are designed in a way that mainly offer protection against acidic, chemical and abrasive environments. Rubber round submersible cables are effective against cuts and damaged during usage. These cables happen to be weather proof and provide strong resistance to oil, chemicals and various solvents.
Major advantage of submersible cables can be with respect to stable insulation they provide under water and highly moist areas. Submersible cables can find applications in submersible pumps, submerged lightning or floating switches. Even though submersible cables are ideal for use in moist and humid areas and applications these cables are not suited to be used in hazardous or toxic areas. Now one can easily shop for such cables online.
Welding cables: Welding is a process where two similar or dissimilar metals are joined together by heating the metal at a very high temperature so that the point where the metal needs to be joined melts and is left to cool down to form a strong joint. Here is where the welding cables generally come in. Welding cables used in electric arc welding, help in connecting the electrode holder which holds the metal rod which conducts the charge.
Welding cables are manufactured to be very flexible and durable at the same time. Welding process requires the operator to move along the area where the weld needs to take place which means the cable connecting the holder and the power source needs to be flexible to help the operator weld without any hindrance. Automatic and manual both welding machines require a flexible cable and cable should be durable enough to sustain repeated movements over rough and uneven surfaces.
Welding cable is typically a portable type of cable which has a single annealed copper conductor with a stranded construction for much needed flexibility. These cables have a EPDM [ethylene propylene diene monomer ] rubber or neoprene rubber jackets which also adds to the flexibility of the cable. Welding cables have a huge working temperature range right from – 50 to 100 degree celcius and are resistant to oils, grease, cuts and abrasion.
A small but important feature of these type of cables is the colour of the other jacket, typically available in red and black colours these welding cables can be available in other colours like yellow or orange. If we imagine a electric arc welding apparatus, it requires different cables for functioning, one as primary power source cable and other is the secondary power source. Here welding cables do not power the electric power generator unit in the welding apparatus but are used to connect the generator to the electrode holder or the welding rod holder. As the current flow through the cable increases the size or the diameter of the copper conductor should increase. Shop for welding cables online at a click of a button.
Ampacitiy in welding cables is a factor which is important when considering a cable for a particular application. Ampacitiy of the welding cables can also mean the maximum current that can safely flow through the cable. A cable which is longer in length will conduct less current than a similar cable with shorter length. A welding cable is usually rated for an ambient temperature of 30 degree celcius as warmer ambient conditions will reduce the capability of the cable to dissipate heat.
To summarize everything mentioned above, welding cables need to be flexible to help movement of the operator, resistant to oils and grease as well as abrasion and rough working condition and should have proper length and size of the cable according to the application.
After knowing about specialty cables like submersible flat cables and welding cables one can easily understand how the construction of cables plays an important role in overall functioning of the system. Choosing a wrong or inappropriate cable for any application may lead to serious performance issues and working hazards like short circuits and electrical fires. Thus various different cables are designed by the manufactures for various application across the industries. Apart from the type of cables mentioned here, cables used in communication application like telephone cable or cables used for connections made in a speaker or a CCTV can also be some type of flexible cable.