Quote:
Originally Posted by tw
Not exactly. Energy does not flow entirely in those wires. In fact, energy would only flow in (hope I have remembered the number) about 1/4 inch inside the wire - called the surface effect. The rest is carried by fields outside wires.
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You are correct, but I fail to see how it conflicts with what I said.
The bulbs are drawing power, not just using waste power. Less electricity is getting through than would if those bulbs weren't there, because they are tapping into the electromagnetic field you mentioned.