Quote:
Originally Posted by dieseljeep
Every PortaColor ever made came from the factory with a polarized power cord from the first one.
It seems that every transformerless GE set, B/W and color was equipped that way. Also, most other US makes from the early 60's did as well. Probably easier to get U/L approval.
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Well, there is no "easier" - you either get it or not. In the 60s or early 70s, UL increased the required temperature rating of all internal wiring. I remember Motorola replacing all their wire stock with the new stuff, which had to be stamped all along its length with the new temp rating number.