Electrical in my shop for grow room

[Freedomfarmer420]

I'm running electricity to my shop from the main outside my house. Already have the breaker box, 1/0 wire, ground wire, ground rod, and 125amp breaker. Question is that a big enuff main breaker for a grow room and how many lights could I run off it? Thnx in advance 🤠

 

[Jewels]

Offhand, overall amperage available after 20% buffer is about 100 amps.

Amperage multiplied by volts equals Watts.
Non-inductive load puts you at 12,000 Watts.

Are you running other big ticket items off the electrics? Air conditioners, dehumidifiers, heaters?
Those are going to add up quick.

I don't know if these things add up in a linear fashion but I usually designate 20% of total average to auxiliaries.
Fans, pumps, ,,etc

After you've done all the math and come up with a total number of everyday usage, make sure you leave a 15 amp breaker for your occasional accessories. Someday the need will arise to run a skill-saw, or vacuum cleaner or a ,,,?
Who knows? A hand tool, like a corded drill, can pull six amps.

 

[Freedomfarmer420]

Offhand, overall amperage available after 20% buffer is about 100 amps.

Amperage multiplied by volts equals Watts.
Non-inductive load puts you at 12,000 Watts.

Are you running other big ticket items off the electrics? Air conditioners, dehumidifiers, heaters?
Those are going to add up quick.

I don't know if these things add up in a linear fashion but I usually designate 20% of total average to auxiliaries.
Fans, pumps, ,,etc

After you've done all the math and come up with a total number of everyday usage, make sure you leave a 15 amp breaker for your occasional accessories. Someday the need will arise to run a skill-saw, or vacuum cleaner or a ,,,?
Who knows? A hand tool, like a corded drill, can pull six amps.

Yeah a mini split and a dehumidifier

 

[Jewels]

and a dehumidifier

They should have labels, grab a fresh notebook ,
start adding them up

 

[Freedomfarmer420]

Offhand, overall amperage available after 20% buffer is about 100 amps.

Amperage multiplied by volts equals Watts.
Non-inductive load puts you at 12,000 Watts.

Are you running other big ticket items off the electrics? Air conditioners, dehumidifiers, heaters?
Those are going to add up quick.

I don't know if these things add up in a linear fashion but I usually designate 20% of total average to auxiliaries.
Fans, pumps, ,,etc

After you've done all the math and come up with a total number of everyday usage, make sure you leave a 15 amp breaker for your occasional accessories. Someday the need will arise to run a skill-saw, or vacuum cleaner or a ,,,?
Who knows? A hand tool, like a corded drill, can pull six amps.

I wanna run 4 1k lights, 2 400w lights, a mini split, and dehumidifier. Think I'll be ok?

 

[Frimpong]

I wanna run 4 1k lights, 2 400w lights, a mini split, and dehumidifier. Think I'll be ok?

That's a lot

 

[BH]

Are u gonnea be running these lights/hvac/deh in 240v? Also if amps is ur limit I really suggest investing in good efficiency led’s, understand if u already got ur hps but if u don’t I highly suggest doing leds over hps for many reasons. Not trying to push it down ur throat but my suggestion for such is they are 30-50% of your energy removal , even if it was 1-2 of ur 4 lights. It all adds up and the bonus of the led’s is also less heat and also u cna run ur room canopy temp for 80-84f perfered vs hps 75-80f canopy . to have proper vpd at those temps those hps will also make it harder for successful vpd without humdifers also. Another factor people need to realize is the deh will be producing heat also, if small room or tent it might even be good idea for lung room and deh that room and bring in fresh air into that and than intaked into the small room/tent after being controlled in lung/outside room

vpd guide if u need one:

VPD Charts in Fahrenheit and Celsius With Leaf Temperature

We made some easy-to-use VPD charts for both Celsius and Fahrenheit, for clone, veg, and flower stages. Hope you find them useful. For more information about VPD, and to make your own custom charts, check out our VPD Guide. VPD Charts for Fahrenheit VPD Chart for Clones in Fahrenheit -2F...

pulsegrow.com

there’s many led brands that work great , luckily these days the prices per watt of led and quality has really been improved and also very competitive. Check out hlg if u haven’t , great company to work with and also best costumer support I’ve ever had to deal with. Lights are def a big graph of sucess so if u havent already put some tome to figure out what light will work best for you. For example I like lef’s that have a little higher height allowance and can be overlapped like a hps vs strips low height lights, I have both but for me I see if I have the plants in my sea of green having the led a lil higher up not only are u allowing ur outer edge sog to be very close to same ppfd but allowing u to be able to work easier under the light and spray and do anything u need to without lifting em every-time

Horticulture Lighting Group Premium LED Grow Lights for Agriculture

Premiere high end indoor gardening LED grow lights for hobbyists & professionals looking to remove HPS & lower electricity costs by 60% while increasing yields.

horticulturelightinggroup.com

if a grow room I highly suggest having ur controllers, outlets where they are in “safe zones” and also having ur wires if being installed I suggest using metal protection and making sure the mapping of the lines make it so ur never worrying about damaging or getting hurt. Also good to have a class c fire extinguisher in room, I suggest having one mounted by a door. is ur room floor cement? Expect water or spills

im no expert on electric but wanted to give ya some ti[s for a grow room

 

[Chefdave]

I wanna run 4 1k lights, 2 400w lights, a mini split, and dehumidifier. Think I'll be ok?

Hey man your service is 100 amp. Im not an eletrician but my step dad is a master electrician and brother is a union a electrician. As bh said you need to know what voltage your running i would assume everything is 110v except split ac depending on btu rating anything above 12000 btu will be 220. Also understand splits need seperate breaker with cut off switch near the outside unit of the split. I have same service and run 2 splits and w more than 6k worth of lighting plus 800 watts of fans and 1600watts of dehumidifiers. Remember 1000 Watts of 110v is roughly 9amps. Your 100amp service is 100amps per pole side in your breaker box. A 20 amp single pole breaker can handle 2000 watts without tripping . Also note breakers trip not only on load but also by heat. The longer the run from box to source the more heat. To make a long story short you can run more than your looking to run

 

[Chefdave]

I wanna run 4 1k lights, 2 400w lights, a mini split, and dehumidifier. Think I'll be ok?

Hopefully your not thinking of running hid lighting. Very bad idea. Get latest led bar lighting not cobs not quantum boards all suck. Medic grow makes great bar lighting for cheap. My favorite right now are hyphoton flux pro 720. I have mars fc 800s they are poorly engineered . I have 4 medicgrow ranging from 760 to 880 watts.Cant go wrong with medic grow big sale coming up on 420. The hyphotonflux are flowering only increased red spectrum. Im getting 10 percent better yield with these lights on identical clones in same room versus other lighting. They are 720watts and will cover 4x4 with co2 or 5x5 if not running co2.

 

[Freedomfarmer420]

So 125amp isn't enuff? What size breaker do you recommend then?

 

[Jewels]

run 4 1k lights, 2 400w lights, a mini split, and dehumidifier. Think I'll be ok?

Lights =
4800w ÷ 120v= 40 amp draw.

60amps (remain) × 120v =
Bout 7000 W available.

The lighting that you are suggesting would use half ; slightly less than half, of your available amperage.

Hopefully your not thinking of running hid lighting. Very bad idea.

You high ?
OP just laid out what he was running.
He has ample lighting to cover about 65 ft of flowering canopy. Seen the price of ought cable lately ?
You are suggesting he drop another Four Grand, on a whim.

Every Garden is different, my power consumption literally increases when I run LED as opposed to HID, not to mention that the initial cost of LED is 5 to 10x times greater than HID.

At the end of the day, @Freedomfarmer420, the only person you should be taking advice from is a certified electrician, standing in your garden, with your grocery list in hand.
🐇

 

[Chefdave]

Lights =
4800w ÷ 120v= 40 amp draw.

60amps (remain) × 120v =
Bout 7000 W available.

The lighting that you are suggesting would use half ; slightly less than half, of your available amperage.



You high ?
OP just laid out what he was running.
He has ample lighting to cover about 65 ft of flowering canopy. Seen the price of ought cable lately ?
You are suggesting he drop another Four Grand, on a whim.

Every Garden is different, my power consumption literally increases when I run LED as opposed to HID, not to mention that the initial cost of LED is 5 to 10x times greater than HID.

At the end of the day, @Freedomfarmer420, the only person you should be taking advice from is a certified electrician, standing in your garden, with your grocery list in hand.
🐇

You should gets facts right on cost of led per watt and joule efficacy. You can get 760 watt medic grow light for 350 bucks including shipping. No bulb changes. Low heat ,better quality , even canopy coverage lower hvac cost. Hid days are over. 80 percent of commercial growers switching to led . Not suggesting if one doesnt have upfront cost for efficient grow spaces. Just saying saves alot of money in the long run. Period.

 

[Chefdave]

So 125amp isn't enuff? What size breaker do you recommend then?

As i said earlier you can run way more lighting etc. than you want to with 100 amp service.

 

[Freedomfarmer420]

As i said earlier you can run way more lighting etc. than you want to with 100 amp service.

Wrong person and place 🤣 I was in 3 different conversations when i sent it. Trying to make for certain everything is correct, measure twice cut once. Btw only lights I have now is an hlg led veg light and a hlg led flower light. Also have a 600w quantum ballast and hood. Also gonna run my lights on 220 not 110

 

[HydroRed]

Also gonna run my lights on 220 not 110

Good move. Everything youre able to run on 220 (mini split/HID) will slightly reduce the amperage vs running same item on 110. Youre reducing the overall load to run the same equipment.

 

[Chefdave]

Good move. Everything youre able to run on 220 (mini split/HID) will slightly reduce the amperage vs running same item on 110. Youre reducing the overall load to run the same equipment.

Absolutely especially if running all lights on a controller. Cost is same for electricity though .