Power cable from earth to the moon?

I was wondering if instead of 'beam'ing energy from the moon, could it be possible to extend a power cable from the earth to the moon?

If the power cable was fixed at a stationary point on earth, it would be at one of the poles, I guess, otherwise the cable would wrap around the earth as the moon revolves. What other reasons could prevent this from becoming a reality, or what type of improvement in technology would be required to make this achievable?

I asked this question primarily because it was stated in the above question that 'beam'ing energy from the moon to earth would have a pretty bad efficiency. Now, as several people mentioned in the comments, I get it that a cable would be no better as it too would lose power during transmission. However, for the sake of this question, let's assume that the cable material is a superconductor, and has the adequate properties (tensile strength, etc.) to withstand the rigors of satellite-tethering!

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Power cable from earth to the moon?

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