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10-01-2010, 07:26 PM #1
 Class 4 Laser Join Date: Sep 2007 Location: Wisconsin Posts: 8,852 Rep Power: 1350
Cyparagon
Class 4 Laser

Join Date: Sep 2007
Location: Wisconsin
Posts: 8,852
Rep Power: 1350
"mA's" and "mW's"

I don't want to be the grammar nazi here, but some people are just falling into bad practice because they see others doing it. So...

Where did the apostrophe s come from? Do you abbreviate inches as in's? Do you abbreviate pounds as "lb's"? Leave it off. The plural is the same as the singular.

Also, Asking "how many mA?" or "how many mW?" is like asking "how many feet and inches are you?" It sounds a bit strange.
It should be said "what current?" or "what power?" just as "how tall are you?"

Thank you

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10-01-2010, 07:43 PM #2
 Class 4 Laser Join Date: Sep 2008 Location: Quebec, Canada Posts: 14,823 Rep Power: 477
lasersbee
Class 4 Laser

Join Date: Sep 2008
Posts: 14,823
Rep Power: 477
Re: "mA's" and "mW's"

One milliAmp and 100 milliAmps does not seem the same to me
when usung the long form....

mA is an abbreviation of milliAmpere shortened to milliAmp...
and when using the abreviation it should be mA whether singular
or plural....
Therefore it would be 1 mA and 100 mA... IMO

Same logic for mW......

But using an apostrophe after mA or mW is totally wrong...
's
implies "belonging to" as in John's Laser
(Laser belonging to John).

BTW... are you sure you're not the Grammar Nazi....

Jerry
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Last edited by lasersbee; 10-01-2010 at 07:47 PM.

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