Amp usage!!!

G

GrimReefa

Well-Known Member
in this book it says

Grow Lights use approx 250w=1.3 amps, 400w=2.4 amps, 600w=3.2 amps, 1000w=5 amps!!! is this right i swear my 600w uses 13 amps!!!
 
fat sam

fat sam

Well-Known Member
i think thats at 240 volt, i know that a 1000 uses 9.5 or so at 110v, my 600 is rated at 5.4 amps
 
Rudiger

Rudiger

Well-Known Member
Yea, fatsam probly has it there. My 600 is rated at 5.6. They should be stamped on the casing anyway. Don't trust some book that generalizes.
 
E

EyezofSnake

Well-Known Member
power = current X voltage

600 = current(110)
current = 5.5

But of course,this is simple circuits, there are many other factors involved.
 
OregonMeds

OregonMeds

Well-Known Member
Your electric is sold by the killowatt hour, and a killowatt hour is just that, roughly a single kw light on for an hour = 1kw/hr

Whether that's 220 or 110 or at what current doesn't matter.

If you're trying to figure this out to see how many lights will go on a circuit just use the amps on the label for the input voltage you're using.
 
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