Quote:
Originally Posted by mike31154
3x250 is 750, which is less than half of what a 15 amp circuit is rated for (1800 max, 1200 continous I think). There may be a somewhat higher draw on start up but not necessarily, depends on your ballasts, bulbs etc.
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except a 250 watt MH normaly draws more like 400 watts. (mine were true HQI ballasts and ran at 456 watts) which is 1200 continuious, some electric do underdrive the bulbs, which is why electric ballasts generly have lower outputs than mag ballasts. on start up they can go in excess of 600 watts. so like I stated with staggered starts they will work, but better to have one on another circut. same with the pumps heaters ect.. anything that could kill your tank if you lose it.
Steve
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