Common Mistakes You Must Avoid With LT Furnace Cables

Common Mistakes You Must Avoid With LT Furnace Cables
Jan 10, 2024
Common Mistakes You Must Avoid With LT Furnace Cables

LT furnace cables are low-tension cables that are used to connect the transformer busbar and the melting electrodes in electric arc furnaces. These cables are designed to withstand high temperatures, currents, and voltages, as well as mechanical and chemical stresses. 

L D Bhattar & Co is the leading LT Furnace Cable manufacturer in Kolkata. We deliver throughout India. Our products include heat-proof flexible copper cables, high temperature cables, compensating cables, thermocouple measuring arrangements, LT Furnace cables, and water cooled cables manufacturer in india . Mistakes while using LT furnace cables can lead to serious problems, like overheating, short circuits, fire, or damage to the furnace and the cables. 

Hence, it is essential to be aware of the common mistakes that can occur with LT furnace cables and how to avoid them. Let’s explore more in this blog below.

What is LT Furnace Cable?

An LT furnace cable is a type of “low-tension cable” that is used to connect the transformer busbar and the melting electrodes in an electric arc furnace. An electric arc furnace is a device that uses high-voltage electric arcs to melt metal for industrial purposes. 

An LT furnace cable consists of multiple layers of stranded copper wires that are insulated with polyester tapes, varnished cambric, and asbestos. The cable is designed to withstand high temperatures, currents, and voltages, as well as mechanical and chemical stresses. 

Must-Avoid Mistakes with LT Furnace Cables

  1. Choosing the Wrong Cable Size

The cable size determines the current carrying capacity, resistance, and voltage drop of the cable. Choosing the wrong cable size can result in overheating, power loss, or insufficient current supply to the furnace. 

To avoid this mistake, you should always consult the manufacturer’s specifications and recommendations for the appropriate cable size based on the furnace capacity, voltage, and distance. You should also consider the ambient temperature, cable insulation, and installation method when selecting the cable size. Besides, you must also ensure choosing the right LT Furnace cable manufacturer who can suggest the right cable size depending upon your requirements. 

  1. Using Damaged or Worn-Out Cables

Cables that are cracked, frayed, corroded, or exposed can cause electrical leakage, arcing, or short circuits, which can damage the furnace and the cables, or even cause a fire. 

To avoid this mistake, you should always inspect the cables regularly for any signs of damage or wear and tear, and replace them as soon as possible. You should also use proper cable protection, such as conduits, sleeves, or covers, to prevent mechanical or chemical damage to the cables.

  1. Installing the Cables Improperly

Improper installation can cause excessive bending, twisting, or stretching of the cables, which can reduce their flexibility and durability. It can also cause loose or faulty connections, which can result in sparking, arcing, or overheating. 

To avoid this mistake, you should always follow the manufacturer’s instructions and guidelines for the proper installation of the cables. You should also use the right tools and accessories, such as clamps, lugs, and terminals, to ensure a secure and reliable connection.

  1. Neglecting Proper Maintenance

Maintenance is essential to ensure the optimal performance and longevity of the cables, as well as to prevent any potential hazards. Maintenance involves cleaning, lubricating, and tightening the cables and their connections, as well as checking for any defects or abnormalities. 

To avoid this mistake, you should always perform regular and periodic maintenance of the cables, preferably by a qualified and experienced technician. You should also keep a record of the maintenance history and schedule, and follow the manufacturer’s recommendations for the maintenance frequency and procedure.

  1. Ignoring Safety Precautions

Safety precautions are necessary to protect yourself, the furnace, and the cables from any electrical shocks, burns, or injuries. Safety precautions include wearing appropriate protective gear, such as gloves, goggles, and boots, when handling the cables, as well as using insulated tools and equipment. 

Avoid touching or approaching the cables when they are energized, and disconnect the power supply before performing any installation, maintenance, or repair work. You should also follow the local and national electrical codes and regulations, and seek professional help if you are unsure or inexperienced with LT furnace cables.

Hire The Experts

LT furnace cables are vital components of electric arc furnaces, but they can also pose some risks and challenges if not handled properly. These tips will help you ensure the efficient and safe operation of your furnace and cables, as well as extend their lifespan and performance. 

Cables are essential components of various electrical and electronic applications, such as power transmission, communication, data transfer, and more. However, not all cables are the same, as they differ in their size, shape, material, insulation, and functionality. Therefore, it is important to choose the right cable to suit your purpose, and to ensure its quality, safety, and performance.

L D Bhattar is the most reputed  LT Furnace cable manufacturer in Kolkata. We are also one of the leading Thermocouple manufacturers in India. With over five decades of experience and expertise in the cable industry, we are the trusted choice of many of our clients for high-quality cables, such as LT furnace cables, power cables, control cables, instrumentation cables, and others. We ensure to pay attention to our clients’ requirements and meet their specific needs and expectations. 

L D Bhattar & Co. is committed to delivering high-quality, reliable, and durable cables that can withstand harsh environments and conditions, like high temperatures, currents, voltages, and stresses. We also follow the international standards and regulations for cable manufacturing, testing, and certification, as well as the best practices for environmental protection and social responsibility