WebNov 14, 2010 · 42. Red is for Right. Blue (or green) is for Left. Copper is for ground (I remember this with the mnemonic Red Right bLue Left Copper Common). All 3 are coated in a lacquer you need to burn or scrape off … WebSep 5, 2024 · This is a safety consideration, aimed at keeping people safe from the danger of shock. 1 The National Electrical Code (NEC) and National Electrical Safety Code (NESC) mandate acceptable clearances for power lines to keep the public safe and prevent contact with electrical current.
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How to Wire a Telephone: 12 Steps (with Pictures) - wikiHow
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