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The main difference is in the price. Oxygen-free copper is sold to people with plenty of money for loudspeaker wire, but provided the wire has less resistance than one tenth of the speaker resistance (usually 4 or 8 ohms), the resistance of the wire is immaterial, and ordinary copper wire is perfectly all right.
Highly refined copper has about 1% better conductivity than the usual variety. That difference in conductivity is insignificant for audio use and is also produced by a 3 degree C temperature rise in copper.
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Working Principle of ofc?
Total Internal Reflection
Can you be a welder with one eye?
I don't see why not. If you can see well enough to use the equipment or handle OFC and Stick/MIG/TIG then you should be fine.
What are the different types of splices for optical fibers?
1. Fusion splices: Use an arc to melt and connect two fibers. 2. Connectorised splices: Use various types of connectors like BNC, ST, etc. These can either be straight- or diagonal-cut fibers. 3. Epoxy splices: Here fibers are joined with the help of refractive index matching glue and guiding sleeves or jackets.
