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How To Choosing the Correct Welding Cables

How To Choosing the Correct Welding CablesHow To Choosing the Correct Welding Cables

Welding cable is the electrical conductor for the welding current. It supplies the electrical current for welding machines and is made up of fine copper strands inside a tough, synthetic or natural rubber, insulating jacket. It is specifically designed to withstand repeated movement over rough surfaces. The fine copper strands also provide more flexibility than other types of wire and the insulating jacket is designed to withstand repeated movements over rough surfaces.

Some Facts about Welding Cable

  • Although it is an excellent conductor of electricity, copper has a degree of resistance to the electrons flowing through it.

  • It is normal for some amount of resistance heating to occur in the cable. Properly sized welding cables may feel warm to the touch after prolonged welding.

  • When the diameter of the cable is too small for the level of current flowing through it, the cable may overheat. This can result in a potential fire hazard, as well as damage to the cable itself. Ultimately, this may result in cable breakage and failure.

  • The breakdown of the insulation jacket can create an electrical shock hazard.

  • Oversized cable for a given amperage level does not conduct current more effectively than properly sized cable.

  • Larger diameter cable typically costs more per foot or meter than smaller diameter cable due to the increased amount of copper strands.

Choosing the Correct Welding Cables

Choosing the correct welding cable diameter size depends on the maximum output amperage of the welder. The more amps produced, the bigger the cable should be. For example, a fire fighting hose would require more water than a garden hose. The more water required, the larger the diameter of the hose.

To choose the correct size, 3 factors should be considered:

  1. The total length of the welding circuit, including the full length of both the electrode and work cables.

  2. The welder’s rated electrical output is usually incorporated in the welder’s model name, and

  3. The welder’s duty cycle, which is the percentage of a ten-minute period that the welder will operate at a particular output current before exceeding its thermal limit.

Yiteng Cable Technology Hebei Co.,Ltd

Yiteng Cable Technology Hebei Co.,Ltd manufactures and supplies a comprehensive range of welding cables. We are technical experts and have been serving the wire and cable industry for over 35 years. For all your welding cable needs, pls contact us 


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