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how-to-wire [2019/07/03 23:48]
76.72.81.63 [Size] Changed isolation to insulation
how-to-wire [2019/07/03 23:51] (current)
76.72.81.63 [Size] Corrected grammar
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 Wire's size (cross-section) determines how much current you can safely pass through. An under-sized wired will generate heat and insulation can melt leading to short circuit or catch fire. When I doubt, one rule: **Bigger is safer !** Wire's size (cross-section) determines how much current you can safely pass through. An under-sized wired will generate heat and insulation can melt leading to short circuit or catch fire. When I doubt, one rule: **Bigger is safer !**
  
-There is different ways to speak of wire's sizes. The two mains are AWG (for American Wire Gauge) and mm^^2^^ (metric system). AWG's notation is followed by a number. Don't get confuse, a greater number ​indicate ​a smaller wire diameter and and a small number ​bigger wire. You can find conversion charts between the two units online but what interest ​us more is how much amps each size can carry:+There is different ways to speak of wire's sizes. The two mains are AWG (for American Wire Gauge) and mm^^2^^ (metric system). AWG's notation is followed by a number. Don't get confused, a greater number ​indicates ​a smaller wire diameter and and a small number ​indicates ​bigger wire. You can find conversion charts between the two units online but what interests ​us more is how many amps each size can carry:
  
  
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 Tier 2 - Hotend Heaters, bigger motor (more than 1.5A like NEMA23), Mains of power supply, 230VAC heat pads Tier 2 - Hotend Heaters, bigger motor (more than 1.5A like NEMA23), Mains of power supply, 230VAC heat pads
 > AWG12-18 or 1.5-2.5mm^^2^^ > AWG12-18 or 1.5-2.5mm^^2^^
-Tier 3 - low voltage heat pads (12-24VDC) or any amps-hungry element+Tier 3 - low voltage heat pads (12-24VDC) or any current-hungry ​(high amperage) ​element
 > AWG10 and more or 2.5mm^^2^^ and more > AWG10 and more or 2.5mm^^2^^ and more