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Electrical resistance of Kundan, Orbit insulated wires

October 3rd, 2017 Leave a comment Go to comments

When the electrical resistance of the copper cable is high, the possibility of power loss is higher leading to heating and melting of cables.  So, I decided to measure the actual resistance of commercially available electrical cables with three different cross-sectional areas.

1 sq.mm 1.57 Ω @ 30℃
Kundan 1.8 Ω
Orbit 1.8 Ω
2.5 sq.mm 0.628 Ω @ 30℃
Kundan 0.7 Ω
Orbit 0.9 Ω
4 sq.mm 0.392 Ω @ 30℃
Kundan 0.6 Ω
Orbit 0.7 Ω

From the analysis, “Kundan” seems a better choice.

Ref: http://hyperphysics.phy-astr.gsu.edu/hbase/Tables/rstiv.html

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