How many watts of led grow light compare to a 400-watt hid bulb?

Answer LED and HID bulbs are of comparable intensity. Depending on the brand and type that you choose, a single 400-watt LED bulb should be sufficient in place of a single 400-watt HID bulb.References:Sup... Read More »

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How many watts does a solar panel have to be to power a 100-watt street light?

One 150W solar panel run for an hour, generates 150 watt hours, enough to power a 100W light for an 1.5 hours. A 150W panel running for eight daylight hours could store enough energy in batteries t... Read More »

PAGING : Can a 12 watt RMS amplifier drive two 15 watt OR two 30 watts loudspeaker?

If your speakers are connected directly to the amplifier, use the correct impedance (ohm) tap and you'll be fine. For example, a pair of 8 ohm speakers connected in parallel would use the 4 ohm tap... Read More »

Can I use a 120 watt flourescent bulb (32 watt draw) in a maximum 60-watt incandescent light fixture?

The rating of the fixture is simply to limit the current that you put on it. If you have a fluorescent bulb that is drawing less current (32W) than the rating of the fixture (60W), there is no pro... Read More »

Do Plants Grow Better With 25 watts 100 watts or 200 watts beter?