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Tech Square Technical and speculative discussion of amps, cables and other topics. |
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Tech Square Technical and speculative discussion of amps, cables and other topics. |
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In Reply to: Don't forget to replace the circuit breaker in the panel box with a copper penny. posted by GTF on December 28, 2007 at 05:56:13:
"The 2mm braided wire inside will restrict the dynamics,"
"A 2mm braided wire will pass 30 amps for years"
What are you talking about? Who said anything about wire size? I was discussing the technicaly definitions of various branch circuits in the subthread you either mis-posted in or just outright hijacked.
"Lets not forget those "SPECIAL" fixtures"
I was actually scoffing at $200 receptacles. If you read more carefully before you went off on your rant, you would have picked up on that.
"Power delivery starts at the wall."
I assume by your sarcasm you mean it starts at a generator in a far far away plant, and that it "flows" through all that bare wire - a hundred miles of it - so what is the point of worrying about wire at all? This oversimplification of power transmission and distribution often causes people to fail to understand the real reasons (and code requirements) for proper sizing of branch circuit conductors at voltages used in residential and commercial applications. For example, to meet code requirements for hospital 120V branch circuits, wire sizes as large as #8 or #6 may be needed to meet code. This is because of more stringent voltage drop requirements combined with an electrical designer (or contractor) who didn't use his head and calculate the maximum reach of his system voltage for a specific 'design voltage drop' value. Another myth about the 120/240 system is how big it is; it does not go to a far far away power plant - it comes from a mini power plant a few hundred feet away on a pole: a 7200V-240/120V residential single phase outdoor pole mounted power transformer. The 120/240V wiring to the house is likely no more than 100 feet.
Does this mean that standard #14 house wiring is inadequate for audio applications? No, not always. Does this mean adding a "fire hose" sized cable is going to make a difference if the branch circuit wiring, by itself, is inadequate? No.
But to dive into a thread about branch circuit types and offer nothing but unrelated and derisive drivel does not prove or disprove the validity of anything.
Cheers,
Presto
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Follow Ups
- Nice troll. did you even read my post? - Presto 00:13:01 12/30/07 (0)
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