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Old 07-01-2017, 10:07 PM   #1
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Since marijuana is becoming legal in more states, how many have wired grow rooms?
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Old 07-01-2017, 10:24 PM   #2
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I've done a few related projects. Production and process areas, custom controllers.
I run that side under another llc.


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Old 07-02-2017, 02:58 PM   #3
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Why is there ductwork going to the grow lights?
I understand the need for ventilation.
Does this ductwork cool the fixtures as well?

I also heard sodium vapor was the fixture of choice. (saw it on TV) I thought sodiums were obsolete?
Or is just these people have no idea what type of fixture they have?
They looked more like mercury vapor lamps to me. The clear, yellowish tint, not the frosted white looking tint and light color?
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Old 07-02-2017, 03:05 PM   #4
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thread bro.
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Old 07-02-2017, 03:34 PM   #5
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Quote:
Originally Posted by John Valdes View Post
Why is there ductwork going to the grow lights?
I understand the need for ventilation.
Does this ductwork cool the fixtures as well?

I also heard sodium vapor was the fixture of choice. (saw it on TV) I thought sodiums were obsolete?
Or is just these people have no idea what type of fixture they have?
They looked more like mercury vapor lamps to me. The clear, yellowish tint, not the frosted white looking tint and light color?


They normally veg with metal halide and flower with hps. Exhaust, intake, circulation fans, co2 burners, humidifiers, sensors, timers, irrigation. You name it. Anything you would find in the big green house operations is in the cannabis industry. That's just the production side. The processing side can get into explosion proof depending on what solvents they use.
These are of a small research operation in N Cali


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Old 07-02-2017, 03:39 PM   #6
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Research huh?
Switched likes this.
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Old 07-02-2017, 05:28 PM   #7
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thread bro.
It's a perfectly good thread. Many states have legalized marijuana for recreational and for medicinal uses.
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Old 07-05-2017, 08:56 AM   #8
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Great thread! It goes perfectly with my current project. I am more of a grower than electrician, but because of this project, I have to do everything. Install a.c, ducting and ventilation, electrical and pluming. I would love to get some feedback seeing as this is a truly unusual case.

First of all this project is located in Mexico. No laws or inspections apply. I am solely doing everything for my own safety. I am from and grew up in the U.S and did some residential work, nothing industrial even though I have some basic knowledge. So, here are my issues.


I have to purchase a transformer adequate for my needs. I have a list of everything that will be used with there respective loads. I believe that I need 220v 165 kva 3 phase transformer but I believe it is a uncommon size, so, I asked for a 175kva but I believe i will receive a 150kva transformer because it is cheaper. This project doesn't have a unlimited budget, so I have to work with what they give me.

from the transformer I will run my wires to the main and main panel. I will have at least one sub panel.

my total amperage is around 385a constant but, only for 12 hours a day. ( with plants there are two light cycles, 18hours on 6 off and 12 on 12 off)

My a.c's are (3) 60,000btu rated for 23 amp 220v 1 phase

(35) 1000 watt lights 220v 5 amps
(15) 630 watt lights 220v 3 amps
(25) fans less than 1 amp
extractor fans various
water chillers
pumps etc etc.


I will reply with some questions,
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Old 07-05-2017, 09:26 AM   #9
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- side note while I am preparing my questions.

I am posting this here not because I am a professional electrician ( I did read the registration) however I will be in need of professional help from time to time. It is very hard to find someone here who knows wtf they are talking about. I will be using hydroponic systems. Hydroponic systems use a lot of water. A lot of water inside with all of the electrical components is a serious risk. because of the nature of the project, I can't take anyone. (even if I could, I know I can do a better job)
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Old 07-05-2017, 09:49 AM   #10
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transformer,

I will have a 150kva 3 phase +N 240v transformer. It is not a delta transformer if that is relevant. Today I am taking the measurements for the cable run from the main breaker to the transformer for exact calculation. It is roughly 90ft . ( I am not making the physical connection to the transformer. the person installing the transformer on the roof will.)

question. ground and ground rod.

- distance from the fuse box to the ground rod? mine will be less than 30ft
- my understanding is that i should use the same size wire that feeds the main from the transformer for the ground rod? or would I use a voltage calculator and pretend there was a load to determine the diameter of the ground wire?

- should I install more than one grounding rod? I believe that there should be a 6ft min between them if there is more than one.

more questions in a bit. Thanks for your time.
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Old 07-05-2017, 09:58 AM   #11
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Quote:
Originally Posted by erubic View Post
- side note while I am preparing my questions.

I am posting this here not because I am a professional electrician ( I did read the registration) however I will be in need of professional help from time to time. It is very hard to find someone here who knows wtf they are talking about. I will be using hydroponic systems. Hydroponic systems use a lot of water. A lot of water inside with all of the electrical components is a serious risk. because of the nature of the project, I can't take anyone. (even if I could, I know I can do a better job)
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Old 07-05-2017, 11:33 AM   #12
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Quote:
I am more of a grower than electrician,
Cool catchphrase, I'm gonna start using that.
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Old 07-05-2017, 12:18 PM   #13
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Quote:
Originally Posted by Chris1971 View Post
Since marijuana is becoming legal in more states, how many have wired grow rooms?
question. does it necessarily have to be legal for an electrician to follow
a construction plan and wire it up per plan?

In other words , since when is it our business what a building is used
for? The architect , per customers specs , can say its a seasonal use
room (for northern winters) ... person may have a green thumb and
is planting bulbs for a spring garden.

This is one reason I never thought seeing warm roofs in the winter
(snow is melted down to dry shingles in a perfect section of the roof
while the rest of the roof has 2' of fresh powder covering it) is a such
a big deal as people make it out to be.
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Old 07-05-2017, 01:53 PM   #14
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Cool catchphrase, I'm gonna start using that.
'Undocumented pharmaceutical supplier' is a better fit!
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Old 07-05-2017, 02:11 PM   #15
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Research huh?
Cannabis cannot be studied because of its lofty schedule number. #1
There are way to many businesses and occupations that absolutely rely on marijuana being illegal.
Make marijuana illegal, watch how many people loose their jobs enforcing, incarcerating and supposedly treating those who use it.

Illegal pot is a cash cow.

Last edited by Dennis Alwon; 07-06-2017 at 07:21 AM. Reason: Remove name-
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Old 07-05-2017, 02:14 PM   #16
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The big pharmaceutical companies want to keep it illegal as well.
If cannabis can do 1/10th things its touted to do, big pharma stands to loose large.
They know it too!
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