Battery Jumper Cables Buying Tips.
1) Cable gauge-selection of gauge.
2) Cable material.
3) Jumper Cables Insulation
4) Heavy Duty Clamps.
5) Warranty.
6) Instruction manual
1. Cable Gauge
Thicker cables are capable of transmitting more electric current, the best jumper cables you can buy for your car are heavy duty jumper cables. The thickness of jumper cables is measured in gauge, and the lowest gauge number indicates the thickest cables.
2. Cable Material
Beware of cheap jumper cables. We have found the cheap 2 gauge sets are really 4 gauge or "copper clad" aluminum (CCA cables) instead of 100% copper. Aluminum has 1.5 times the resistance of copper.
Few tactics to differentiate Copper Cables, CCA and CCS Cables?
1. When you cut the wires, you will see that the copper wire is copper coloured all the way through whereas CCA is aluminum coloured in the middle; (You need to take a close look of it)
2. If you hold a lighter underneath the cables, the copper cables will hardly droop/melt, while the CCA cable will almost instantly droop/melt; For more interesting information, please watch
3. The weight of the copper cables is heavier than CCA and CCS cables; and
4. Warranty provides by the supplier for copper cables.
3) Jumper Cables Insulation
Outer sheath functions as oil ,chemical resistant & fire redundant.
Inner insulation located between the cable’s center conductor and sheath. Inner insulation is a non-conductive material, or a material resistant to the flow of electric current. It is often called a dielectric in radio frequency cables. Insulation resists electrical leakage, prevents the wire’s current from coming into contact with other conductors, and preserves the material integrity of the wire by protecting against environmental threats such as water and heat. Both safety and effectiveness of the wire depend on its insulation.
4) Heavy Duty Clamps
Better clamps(alligator clips) will transmit electricity much better. Heavy duty jumper cables come with bigger and stronger clamps. This makes for better connections between the two batteries terminals, which reduces the chance of jiggle to avoid sparking occur.
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