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HID Ballast Wiring Diagrams
Posted by Kolmart.com on 12/1/2010
HID Ballast Wiring Diagrams
Ballast Wiring Diagrams for HID ballast kits including Metal Halide and High Pressure Sodium Lighting ballasts. Most magnetic HID ballasts are multi-tap, meaning they can be connected to several different voltages.

Here we display wiring diagrams for metal halide (probe start), metal halide (pulse start) and high pressure sodium HID ballast kits.
Most magnetic HID ballasts are multi-tap, meaning they can be connected to several different voltages. Here we display wiring diagrams for metal halide (probe start), metal halide (pulse start) and high pressure sodium HID ballast kits.



Metal Halide Ballast Wiring Diagram (Probe Start)
Metal Halide Ballast Wiring Diagram


Metal Halide Ballast Wiring Diagram (Pulse Start)
 Metal Halide (Pulse Start) Ballast Wiring Diagram


High Pressure Sodium Ballast Wiring Diagram
 High Pressure Sodium Ballast Wiring Diagram


Additional Ballast Wiring Information:
Certain probe start metal halide ballasts (175W, 250W and 400W) have the starter/ignitor built into the lamp, and an external starter/ignitor is not required. Pulse start metal halide ballasts do require an external starter/ignitor.
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george allen Date 2/25/2011 11:48:19 AM
thx! after 2 hours of dead-ends adverts pop-ups and misleading offers of "free" advice.....finally found your brilliant,easy to use,free,simple to understand and very helpful informative site,it's just saved me £80 on a replacement ballast,non-functioning due to one loose wire
Eli Ortiz Date 5/25/2011 12:33:28 PM
I like these diagrams compared to many others, these are very simple to understand
thomas Date 11/6/2011 2:37:48 PM
my ballast comes on then goes off i have the right bulb in. could it be the ballast or compacitor is bad.help
Kolmart Date 11/6/2011 2:50:22 PM
RE: thomas Date 11/6/2011 2:37:48 PM It would help to know what type of ballast you have... If it is high pressure sodium, it is supposed to do that when the bulb reaches the end of it's life and needs to be replaced. It is called cycling. If it is metal halide, it is usually the capacitor that needs to be replaced.
Ginny Date 11/24/2011 1:49:36 AM
My ballast is humming, so its getting power. The lamp is not lighting, I swapped out the cords with another exact unit and still no light. I suspect it is the ignitor. Is there an easy way to check the ignitor or whatever you might suggest? thx u rock
Dan Date 12/21/2011 9:24:56 AM
I like the diagrams very much....I struggle sometimes on how to things and when you see these types of diagrams it takes the pain out of fixing it...Thanks soooo Much!!!
Ty Date 2/15/2012 12:58:51 PM
I am trying to retrofit one of your ballasts. Are the voltage leads colored differently to identify which lead is what voltage, or do you go by the position on the ballast?
Kolmart Date 2/15/2012 2:19:08 PM
RE: TY The wires are all labeled 120V, 208V, 240V and 277V in blue print on the white wires.
Thank for the help.for the helide ballsat> Date 3/3/2012 4:30:54 PM
Thank for the help. For the helide ballsat.
Mark Mullen Date 5/21/2012 1:31:37 PM
I have a "lamp" lead from the ballast and wondered where it should go if the "capacitor" lead goes to the capacitor then out to lamp
Russell Date 6/5/2012 9:48:07 PM
I have a 100w 120 volt MH wall pack. What should be the voltage at the lamp socket? I have replaced lamp (M90) twice with new lamps, still does not work. I have 120 volts in lamp socket.
Kolmart Date 6/5/2012 10:19:15 PM
It is possible the metal halide wall pack is a multi-volt fixture with a multi-volt ballast that is connected to the 277V lead instead of the 120V lead. If you look at the wire you are connecting your line voltage to, it goes into the fixture, and it is connected to a wire nut. that goes into the ballast. If you look at that ballast wire, it probably says 277V on it. If you look at the other wires coming out of the ballast in the same place, 1 will say 120V on it, and that is where to line volta
Steven Date 7/12/2012 10:19:04 PM
I have a ca-40a mogul lampholder its a 4kv (600v1500w) is it capable to be wired straight to a circuit without a capacitor? I would like to wire the lampholder straight to its own fixture with a ballast of my choosing without having to use the capacitor. Thanks
Steven Date 7/12/2012 10:19:27 PM
I have a ca-40a mogul lampholder its a 4kv (600v1500w) is it capable to be wired straight to a circuit without a capacitor? I would like to wire the lampholder straight to its own fixture with a ballast of my choosing without having to use the capacitor. Thanks
David Sample Date 7/25/2012 8:47:35 AM
I have 6 Genlyte Thomas metal halide lights that I bought many years back, cat # STP400 MA-8. They are convertible voltage ballasts. I'm running 240 volts. All of the leads are the same color (yellow) with the voltage written on the wire. Is the proper 240 volt wiring one hot to the 120, one hot to the 240, common to common and ground to ground? Some of the lights work just fine this way but the others never light fully and then go out. HELP!!!!
Sean Date 8/16/2012 6:42:33 PM
So how would u hook a photocell to the hps
Sean Date 8/16/2012 6:43:35 PM
So how would u hook a photocell to the hps
Tom Maher Date 9/18/2012 7:08:57 PM
Metal Halide Ballast Wiring Diagram (Pulse Start) How to you wire 220V input Do I hook 1 hot to 240V wire, other hot to 120V and the common to common
Josh Date 9/19/2012 6:56:06 PM
I have a couple of questions about a 250 watt metal halide ballast. I actually picked it up dirt cheap as surplus after some construction. It has exactly the same wires as the diagram for the probe start metal halide ballast above. I take it the wire labeled 120v goes to the black wire from the wall socket? Since both com wires are labeled the same, does it matter which one goes to the lamp and which one goes to the wall socket? I don't see a ground wire, so how do you ground it? T
anthony Date 10/31/2012
How do you wire a ballast i have 208v going to a cobra head light fixture with a photocell.. I want to know how to wire up the cobra head light fixture and my voltage coming from my warehouse is 208volts .I also have 480 and out of curiosity how would I wire that one to with a photocell. Thanks and like your diagrams a lot.
anthony Date 10/31/2012
How do you wire a ballast i have 208v going to a cobra head light fixture with a photocell.. I want to know how to wire up the cobra head light fixture and my voltage coming from my warehouse is 208volts .I also have 480 and out of curiosity how would I wire that one to with a photocell. Thanks and like your diagrams a lot.
Antonio Date 11/1/2012
It be nice if your diagrams would include adding photocells.
Larry Dobson Date 11/7/2012
Hi, I am working on a 277/480 parking lot light, the light has a by-pass cap, I want to replace the by-pass cap with a 277 photo control, but I have a problem when I twist the photo cell in the head the fuse in the head will blow. what's causing this to happen?
Larry Dobson Date 11/7/2012
Hi, I am working on a 277/480 parking lot light, the light has a by-pass cap, I want to replace the by-pass cap with a 277 photo control, but I have a problem when I twist the photo cell in the head the fuse in the head will blow. what's causing this to happen? I need a diagram that include the photocell connections
Tony Date 12/11/2012
I am trying to wire a 1000 watt ballast for 220V. Should one leg go to 120 and the other to 240 and common to the common lead? Thanks for your help Tony
Phillip Wilson Date 1/31/2013
WHAT IS THE ANSWER TO THE 220 1000 WATT WIREING
Matt Date 4/3/2013
Is there anyway to convert an MH (*probe start*) into an HPS fixture? Any wire diagrams?
Val Date 5/2/2013
How many volts should be in secondary coil of transformer for 400W metall halide?
Pat Date 6/15/2013
Thx for your help your schematic and answersolved my problem. Straight and simple. Pat
MARK Date 6/25/2013
i have a 220v supply 2 lines show connection
Mk Date 7/21/2013
have a connection probe start just tripping breaker all the time if the capacitor have dings on body can that be the cause of the short
JR Date 8/3/2013
can i wire my probe start MH ballast for HPS? add an ignighter?
Joe Date 8/29/2013
Is it possible to wire a probe start 400 watt MH ballast for 400 watt HPS? From what I understand you can just add an ignighter. It's it possible? If so, how do you wire it? Any diagrams? Thanks in advance!
Carl Date 9/2/2013
I have a 400 w HID fixture with multi tap voltage. I would like to use 208V, do I hook the white to the common and 2 110v legs to the 208V lead? Not sure?
Jim Kunard Date 12/19/2013
Which voltage tap on the ballast do you connect to the supply?
Ivan Gunter Date 3/12/2014
Have a 1500 watt metal halide m48 sports Arena 4-tap direct how do you correctly wire this fixture for 240 . do you connect the 120 line the neutral and the 240 .
dan Date 3/22/2014
Hi having a problem replacing a new metal halide ballast 70 watt with a new one.lamp won't light and I have 220 at lamp but did not blow 120 volt lamp .I have 240 at socket and have triple checked that I am using 120 tap.is it possible tap is marked wrong or should I have 240 at socket
lucky Ganesh Date 4/6/2014
hi i want to have an explanation of metal hailed lamps about : (1) hows it work (2) its wiring details (3) advantage and disadvantage
Tom Date 4/24/2014
I have light that are wire 277, I am getting different volts at the socket, like some will have 369 volts one has 120 volts and 235 volts what would cause this?
afroj ali Date 4/27/2014
please hellp me
Stef zeff. Date 7/9/2014
Hi guys, I have a parmer venture series 2 ballast HAV602232 connected to an ignitor MC602k232. there are 6 block connectors and from left to right marked Ph, n, e, n, 230, 240. please can anyone tell me which to connect mains and lamp to. I don't want to burn down my house.
Trent Date 9/5/2014
I have a Sylvania lamp igniter that uses A1, A2, A3 wires. Are these the same as X1,X2,X3 used in metal halide drawings or are these used for HPS?
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