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AusChristmasLighting 101 Manual
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101 display basics
Pixel Ports and Fuses
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[QUOTE="i13, post: 115937, member: 21708"] TerryK makes a good point. That won't work. Ignoring the problems and assuming that you're fusing the positives, if you wanted to do a 15 amp injection point at the end of the string when the beginning is powered through a 5 amp fuse, you'd need to cut the positive closer to the beginning to divide up the current accordingly. There are three main problems here: [LIST] [*]TerryK explained one problem which is that a 15 amp fuse might be too large to blow when there's a problem. [*]Ignoring the first part of the string, you're powering 15 amps' worth of pixels (approximately 300 pixels) at one end. This will definitely result in voltage drop and incorrect colours. This will happen regardless of the power supply's capacity. [*]15 amps is more current than the 18 AWG (and typically thinner) wire between the pixels can safely handle. [/LIST] In other words, if you have a run of pixels that's long enough to draw 15 amps, you need more injection points. [/QUOTE]
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