Brittle Low Voltage Wire
Situation: I have a low voltage transformer, output 12V, 200W in my basement. I have a 12 gauge wire running from that to outside of the house, and then another 12 gauge wire connected to that. From that wire I am drawing 199W over two 50W bulbs, and nine 11W bulbs.
Problem: The lights are no longer working, but the transformer is working fine. The wire at the connector seem to have melted parts of the connector, and the wire themselves have each become brittle and hard for about 4 inches on each side.
Question: Is my problem with my size wire gauge, an inferior connector, or the amount of watts I'm drawing?