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Outlets and lighting for 40' x 24' garage

landlord30

Well-known member
Joined
Mar 19, 2014
Messages
508
Location
Pittsburgh, PA
Hello

Getting ready to finish the interior of my 40'L x 24"W garage. Any reccomendations on the numbers of outlets and their locations? I will have a central work area (bench etc.) that will have ample power. I'm more concerned with outlets along the walls. How many are necessary and how far apart? I have a huge panel with plenty of room. My usual approach is to over do everything.

What has been your experience and regrets?

How about lighting? The finished ceiling will be 12'4" tall. I plan to have 2 lifts at the rear of the garage. I assume some sort of 4' bulbs are the norm. It appears T8 is the best.

Any regrets you have about your space or points that you are happy with regarding outlets and lighting is appreciated.

Matt
 
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sublimate

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Joined
Aug 4, 2010
Messages
776
Location
Colorado
I'm more concerned with outlets along the walls. How many are necessary and how far apart? I have a huge panel with plenty of room. My usual approach is to over do everything.

This many:
the-outlet-wall.jpg
 
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kd3pc

Well-known member
Joined
Aug 10, 2013
Messages
3,630
Location
Northern Neck
I went every 6 feet with a duplex box (two outlets) at 44 inches. My 8' wall can then be covered with 8' osb mounted perpendicular to the studs and not have to cut the top piece. All my cuts would be down low.

Each wall's outlets were daisy chained off a GFCI outlet....you might need two per wall.

I ran a "spare" 220 outlet to just under the window, for a future window unit. I did homerun 220 outlets to the air compressor, and one to the welder.

For my lights, I have a switched light over the bench. then two other switches that each turn on every other light. That gives me good light and then brighter over the whole garage, if needed.

best of luck.
 

Notgrownup

Well-known member
Joined
May 5, 2014
Messages
5,946
Location
Snow Hill NC
Hello

Getting ready to finish the interior of my 40'L x 24"W garage. Any reccomendations on the numbers of outlets and their locations? I will have a central work area (bench etc.) that will have ample power. I'm more concerned with outlets along the walls. How many are necessary and how far apart? I have a huge panel with plenty of room. My usual approach is to over do everything.

What has been your experience and regrets?

How about lighting? The finished ceiling will be 12'4" tall. I plan to have 2 lifts at the rear of the garage. I assume some sort of 4' bulbs are the norm. It appears T8 is the best.

Any regrets you have about your space or points that you are happy with regarding outlets and lighting is appreciated.

Matt

As many outlet per wall as you think you will need... I say 1 every 12 feet minimum.. Lighting is 100 lumens per square feet
 
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christopizza

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Joined
Dec 3, 2010
Messages
129
Location
NC
outlets and j boxes are relatively cheap I went with one every 4 ft on the back wall and every 6 ft on the sides all at 4 ft high.

Exterior outlets on sides without big door.

Amazing how much light is needed. Im going big. All LED and dimmable. My attached garage is too dim with cars in there to work well. so I'm going to overdo this one.

Dedicated circuit for electronics (tv, computer, etc)
 
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TheEquineFencer

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Joined
Jan 15, 2009
Messages
9,278
Location
Farmville, NC 27828
When the present shop was wired, there are two circuits for the receptacles. every other one, that way if you're running your big shop fan on one and turn on your chop saw on the other you con't trip a breaker. 20A rated switches and receptacles were used on 12 ga. wire though out.
 

GS-Louie

Well-known member
Joined
Dec 10, 2013
Messages
135
I am building a 32'X44' garage building. It is split roughly in half for a shop and a storage area.

In the shop area I put an outlet every third stud with a few extras for a clock, etc. On the middle wall I have the shop side outlets every fourth stud on each side and it also runs the light in the bathroom, wifi, and the TV. I also made a run of 10-3 wire for the instant water heater down the middle wall. In the storage area I put an outlet every 4th stud. The power on the outside walls on the sides also wraps around to the back wall.

The front wall has the switches for the lighting inside and outside. It also has 3 outside outlets, one up by the eaves for the Christmas lights. It also has the outlets for the garage door openers, small air compressor and shop vac.

Each of the 4 walls has its own GFCI breaker for the outlets. The lights also are on the GFCI. I have another breaker set up to run outside the building for a few yard lights.

I am planning to also build a loft in the storage section so I have a light switch pre-wired up there. Each room will have a ceiling fan and both of them will be on their own breaker. I am running 12-3 wire to them in case I want to add lights on the fan.

After the walls were up I sat on a stool and just studied the space a bit. I then went around marking up places to put electrical devices. From those markings I developed the spacing for the outlets and the locations of the miscellaneous outlets. I did move a few around. I used plastic boxes and tacked them in place so I could visualize the placement.

I used all 12 ga wiring for simplicity sake. Since all the walls will be insulated I wanted to make sure I had everything covered before putting up the wall board. I have a couple of conduits buried in the floor going from the breaker panel to the outside for future use.

The walls are 15' 6" at the center of the room. I have the outlets and switches at 52" from the floor. The wall board will be applied horizontal. I expect the boards will be 2', 4' 4' 4' 2' up the wall. But, If they start at 4' high that will work also.

I hope this helps.

Lou
 
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