Looking for Answers about Lithonia Lighting 4-Light T5 White High Output Fluorescent High Bay?

Customer questions and answers for
Lithonia Lighting 4-Light T5 White High Output Fluorescent High Bay

The 4-Light T5 High Output Fluorescent High Bay from Lithonia Lighting is an energy-efficient alternative to common HID metal halide high bays. Perfect for manufacturing facilities, warehouses and other commercial applications with ceilings 15 ft. to 40 ft. high. Suitable for suspension by chain, cable or monopoint (sold separately), and operates effectively in ambient temperatures down to -20 degrees Fahrenheit. Consider upgrading to fluorescent high bays to save money on energy and maintenance costs.
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30 Answers
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Customer questions and answers for Lithonia Lighting 4-Light T5 White High Output Fluorescent High Bay

Question

How many lumens are produced by a Lithonia Fluorescent fixture model #IBC 454MV, store SKU 640062?

Asked by
tomv
Belton, Texas
about 4-Light T5 White High Output Fluorescent High Bay on
April 11, 2013
This fixture has 4 T-5 white high output lamps.
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answer 1
Asked by
LithoniaLightingSupport
April 15, 2013
This fixture produces 17,800 lumens. Thanks for your question!
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answer 2
Asked by
Porter
Garland, TX, USA
August 7, 2013
Per the manufacturer, the 48" high output T5 bulb produces 5000 lumens and consumes 54 watts giving it a 93 watt per lumen ratio. The 4 bulb fixture will produce about 20,000 lumens and consume about 208 watts depending on the ballast efficiency.
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answer 3
Asked by
GLENN
New Jersey, USA
April 22, 2013
17000 LUMENS.

THE SAME AS 6 T8 LAMPS
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Question

why do they not recommend surface mount?

Asked by
wtrspaniel
about 4-Light T5 White High Output Fluorescent High Bay on
May 21, 2013
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answer 1
Asked by
LithoniaLightingSupport
May 22, 2013
For optimum performance, this fixture should be mounted at least 18” below ceiling plane. The clearance is required due to the heat dissipation. Thanks for your question.
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answer 2
Asked by
Porter
Garland, TX, USA
August 7, 2013
I can only offer an observation. The bulbs are 54 watts each making a total of over 208 watts in the fixture. Air circulation through the fixture provides cooling and surface mounting would limit the air movement thus over heating the bulbs and ballast causing premature failure of both.
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answer 3
Asked by
Grouse
Texas, USA
June 11, 2013
Most likely because of the heat generated by the balast. Depending on your particular situation, if you don't want to use chains, you can mount unistrut to the ceiling and then mount the light to the unistrut using spring nuts. This will put some distance between the fixture and the ceiling. I would check with a professional electrician or with the codes in your area before doing so. If you are in a shop or metal building, I would still put up the unistrut before mounting the fixture due to ease of installation. It allows tolerances you would not have if mounting directly to the beam.
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Question

hello, i bought today a lithonia lighting 6 lamps fluorescent light , i will need to pug to the wall . i have 4 cables inside

Asked by
sophil
NY
about 4-Light T5 White High Output Fluorescent High Bay on
December 29, 2013
i will need to plug to the wall . i have 4 cables inside the Light fixture : white, black , red, green . witch one i need to wire to plug into the wall .
thanks
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answer 1
Asked by
erickca
tustin,mi 49688
February 4, 2014
White, Black and Red. only use green for grounding the fixture
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answer 2
Asked by
PaloAltoDrew
Palo Alto, CA
Home Improvement Profile: DIYer
March 23, 2014
Yeah, I have the same desire to wire this light to a plug and plug that into a receptable that is swtiched. I don't like the answer Lthonia gave. I pretty sure it can be done but I don't know whether I should connect the red to the plug or just ignore it? Come on, I need a yes and what to do with the black, white and red. Of course, green is ground which I already wired.. Thanks!
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answer 3
Asked by
LithoniaLightingSupport
January 7, 2014
This fixture does not have a plug option and has to be hardwired. Thanks for your question!
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Question

What is the recommended height above floor and fixture spacing?

Asked by
Wonderin'
about 4-Light T5 White High Output Fluorescent High Bay on
June 10, 2013
Looking for good lighting in a pole barn. Lights would be 14' above floor.
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answer 1
Asked by
LithoniaLightingSupport
June 10, 2013
It is recommended to mount this fixture 15 ft. to 40 ft. above the floor. Thanks for your question.
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answer 2
Asked by
Porter
Garland, TX, USA
August 7, 2013
I think the manufacturer recommends about 12 feet above the floor. I installed them at 14 feet and like it. They provide about 30 feet of good lighting spread at the floor at the 14 foot height.
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Question

Please clarify proper electrical connections.

Asked by
mikecx
Colorado
about 4-Light T5 White High Output Fluorescent High Bay on
June 20, 2013
For all four lamps to be on, the wiring diagram included in the box says to connect the Grey wire of the ballast to the AC Neutral (White) wire whereas the wiring diagram printed on the ballast (QHE4x54T5HO/UNV PSN-HT-SCL) in the product and from the ballast manufacturer’s (Sylvania) documentation available on their website, the Red/Black wire connects to AC Hot (Black). Which connection is proper? Also, am I correct in assuming that the Grey indicator in the product instructions actually refers to Red/Black as there are is Grey wire in the product?
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answer 1
Asked by
Porter
Garland, TX, USA
August 7, 2013
The red/blk ballast wire changes to a gray wire at a wire nut. Actually either connection will work (red/blk or gray to neutral or red/blk or gray to AC Hot) This wire goes to a logic switch in the ballast so pulling it high or low triggers the 4 lamps. I prefer connecting it to neutral for safety reasons, but either way, there are only a few milliamps in the wire.
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answer 2
Asked by
LithoniaLightingSupport
July 2, 2013
The red/black wire would tie in with the hot (black) incoming. If the red/black wire is not wired with the hot wire, then only 2 of the lamps are going to light.
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Question

what lighting and light spacing should I use in a 20 by 26 working garage with 9 foot ceiling

Asked by
ribs
pa
about 4-Light T5 White High Output Fluorescent High Bay on
September 12, 2013
T5 or T8
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answer 1
Asked by
LithoniaLightingSupport
September 16, 2013
Based on the information you provided, we recommend two T8s (Model # IB 632 MVH).
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answer 2
Asked by
Porter
Garland, TX, USA
September 17, 2013
This T5 4 bulb fixture is better suited for higher ceilings so I would look at 2 bulb fixtures. At 70 L per sq ft, you need about 36,000 L. The HO T5s (54 W) make about 3,500 L per bulb at half life vs 1,800 for the T8s (32 W). The T5s are very bright and with a 9 ft ceiling they may produce eye discomfort if the bulbs can be viewed directly. The math says you need 5 or 6 2 bulb T5 fixtures or 10 2 bulb T8 fixtures. Spacing should be on a rectangular grid with each light illuminating the same size area.
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Question

How long are the bulbs

Asked by
marcos
about 4-Light T5 White High Output Fluorescent High Bay on
December 19, 2013
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answer 1
Asked by
LithoniaLightingSupport
January 6, 2014
This fixture requires four 54-watt high output T5 fluorescent bulbs that are 46 inches. Thanks for your question.
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answer 2
Asked by
Cintx
March 4, 2014
About 48"
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Question

I have a 36x36 shop with a 12 foot ceiling. I was hoping to surface mount, but If i hang these from a chain how far from ceiling (sheetrocked)

Asked by
Bill
Republic, WA
about 4-Light T5 White High Output Fluorescent High Bay on
September 19, 2013
would be recomended?
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answer 1
Asked by
LithoniaLightingSupport
September 19, 2013
This fixture was tested and UL certified at 18" below the ceiling plane. The clearance is required due to the heat dissipation. Thanks for your question.
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answer 2
Asked by
CobraChris
Clearwater, FL
Home Improvement Profile: DIYer
June 17, 2014
Just surface mount these and call it a day. I have 14' ceilings and these throw out an insane amount of light.
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Question

Quick connect to hard wire

Asked by
scrf
Glendale, AZ
about 4-Light T5 White High Output Fluorescent High Bay on
June 26, 2014
I helped my brother-in-law install 2 of these light fixtures a week ago. They came with a plastic quick connect plug for the solid copper run from the house. The wiring directions on the box still reflect the old wire cap method and nothing about these new plugs. A nice feature, but I needed to remove one of the wires after inserting into the plug and could not remove it. Any suggestions?
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answer 1
Asked by
LithoniaLightingSupport
July 1, 2014
The wire can be removed but not very easily. I takes some hard pulling and wiggling to get it out.
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answer 2
Asked by
LithoniaLightingSupport
July 1, 2014
The wire can be removed but not very easily. I takes some hard pulling and wiggling to get it out
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Question

Do they make protective covers for these lights ., i have them in martial arts studio ?

Asked by
sensei
about 4-Light T5 White High Output Fluorescent High Bay on
April 17, 2014
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answer 1
Asked by
LithoniaLightingSupport
April 21, 2014
This fixture does have a wire guard available. Please contact the Pro Desk of your local Home Depot store for ordering assistance. Lithonia Lighting part number IBCWG. Thanks for your question.
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answer 2
Asked by
Bill
Indianapolis
August 4, 2014
Yes, but I don't think they are made by the manufacturer of the light ballast.
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Question

in a 30x60 shop with a 17' eve 4;1 pitched roof what would you r reccommendation be for lighting

Asked by
dave
imperial ne
about 4-Light T5 White High Output Fluorescent High Bay on
September 17, 2013
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answer 1
Asked by
Porter
Garland, TX, USA
September 17, 2013
A 30 x 60 has 1800 sq ft and you need about 70 Lumens per sq ft for shop type lighting for a total of about 125,000 Lumens. The T5 bulbs make 5,000 Lumens new and 70% of that at half life so using the half life number you would need 36 bulbs or 9 of these 4 light fixtures. Knowing that these lights can be wired to light 2 and 4 bulbs, I would use 8 fixtures in two rows of four if your walls and floors are lite colors or 10 fixtures in two rows of five for darker colors. These fixtures work the best ten or more feet off the floor so mount them close to the ceiling if possible.
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Question

Protective Wire Guard?

Asked by
Slim
San Francisco
about 4-Light T5 White High Output Fluorescent High Bay on
December 5, 2013
Is there a wire guard available for this fixture? If so, what's the product number.
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answer 1
Asked by
THDCustomerSupport
Kennesaw, GA
December 6, 2013
Thank you for your recent inquiry with The Home Depot. I believe it would be best to reach out to the manufacturer for assistance. The manufacturer is Lithonia Lighting and their customer service department can be reached at 1-800-748-5070.
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Question

can I run 2 bulbs ILO 4 if desired, without damaging the ballast

Asked by
Jeff
about 4-Light T5 White High Output Fluorescent High Bay on
January 16, 2014
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answer 1
Asked by
JoeD
Ossipee, NH, USA
January 23, 2014
The fixture is actually pre-wired, though not explained well in the instructions, to be able to split the 4 lamps. So in other words, have 2 switches and be able to either have 2 or 4 lamps working.

I hope that answered your question.
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Question

What is the best spacing for 8 fixtures in a 35' x 45' x 11' metal building with a 4 on 12 pitch roof?

Asked by
help
Greenville, SC
about 4-Light T5 White High Output Fluorescent High Bay on
April 25, 2014
I know from the formula it will take 8 of these fixtures. I'm thinking of running two rows along the 45' way 10' off the walls but not sure how far to start off the 35' wall and how far apart after that. If I hang them 10' off the 45' wall, the hanging height will be about 14' from the floor
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answer 1
Asked by
JosephHDATL
Atlanta GA
Home Improvement Profile: Professional
May 17, 2014
There really isn't a right or wrong way to do this, but since your ceilings are at a steep angle, I would recommend to hang them down so as to reduce glare and give better task lights to the area.

I typically don't install these no closer than 3 feet from each other, but your configuration can be based on the amount of usage certain areas will get versus other ones.

That isn't to say though, you should install these close to the wall, as these can defeat the purpose of having these high output lights up there.

Plan out where you need them to be, but in a even appearance. One trick is to tape up string from where they will be installed so you can view them at ground level before committing to finally installing them.

Joseph
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Question

diffuser cover

Asked by
Dufis
california
about 4-Light T5 White High Output Fluorescent High Bay on
June 26, 2014
do you make a diffuser cover for this light?
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answer 1
Asked by
LithoniaLightingSupport
July 1, 2014
There is not a lens offered on the IBC product
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Question

Is there a detailed wiring diagram in color available for these lights?

Asked by
billyroper
Texas
about 4-Light T5 White High Output Fluorescent High Bay on
July 31, 2014
Am planning on wiring them in 220 volts
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answer 1
Asked by
Bill
Indianapolis
August 4, 2014
No. The wiring diagram is in black and white and is on the box. I used the standard white -white, black - black, etc. for the supplied harness. Worked like a charm.
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Question

Am wanting to wire my lights with 240 volts. Am not sure how to connect the wires?

Asked by
billyroper
Sherman, TX
about 4-Light T5 White High Output Fluorescent High Bay on
August 4, 2014
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answer 1
Asked by
JosephHDATL
Atlanta GA
Home Improvement Profile: Professional
August 6, 2014
Hi billyroper,

This fixture will go for a 240V application, but you'll need to find out what 2 hot wires that are coming from the ceiling (power source) and connect them to the 2 hot (line wires) coming from the ballast.

Without seeing what configuration you have on your circuits, I can't go further, but this is how they would be installed.

Joseph
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Question

At 15 feet high how many square feet does one four bulb fixture cover?

Asked by
Pickles
Reno, NV
about 4-Light T5 White High Output Fluorescent High Bay on
August 23, 2014
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