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yeah, the 4.5 amps on your power supply is at 20 volts. That only translates to 90 watts, whereas 2.5 amps at 250 volts is 625 watts. In other words, you're only using 14% of the power that wire is capable of providing
– Blaine
Commented May 20, 2017 at 3:06

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Correct minor typos or mistakes
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create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)
<https://example.com>
[example](https://example.com)
<a href="https://example.com">example</a>

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