Why can only 6 wallboxes be connected to each auxiliary power supply? I have a situation in a diner where they have wired 5 wallboxes together and another 10 together. They want to get it up and running but don’t want their walls torn up to figure out the wiring. Just curious as it’s probably done in case of 6 wallboxes being operated at the same time. This scenario is very unlikely in this case, so before moving forward with tearing up walls and fishing wire I thought I’d ask the group. Thanks, Mauro
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I want to understand so a total of 16 wall boxes connected to one stand alone juke or hideaway unit?
On Mon, Feb 23, 2026 at 8:41 PM M De Simone via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Why can only 6 wallboxes be connected to each auxiliary power supply? I have a situation in a diner where they have wired 5 wallboxes together and another 10 together. They want to get it up and running but don’t want their walls torn up to figure out the wiring. Just curious as it’s probably done in case of 6 wallboxes being operated at the same time. This scenario is very unlikely in this case, so before moving forward with tearing up walls and fishing wire I thought I’d ask the group. Thanks, Mauro
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On 2026-02-23 5:40 p.m., M De Simone via Jukebox-list wrote:
Why can only 6 wallboxes be connected to each auxiliary power supply? I have a situation in a diner where they have wired 5 wallboxes together and another 10 together. They want to get it up and running but don’t want their walls torn up to figure out the wiring. Just curious as it’s probably done in case of 6 wallboxes being operated at the same time. This scenario is very unlikely in this case, so before moving forward with tearing up walls and fishing wire I thought I’d ask the group. Thanks, Mauro
It is a limitation of the 24V power supply - each group of up to six wallboxes needs one wallbox power supply. You can put as many wallboxes (less than 100 I'd say though) as you like on the circuit otherwise!
John :-#)#
So there are 5 wallboxes on one line and 10 on the second line. Only 2 lines. It is a hideaway and has 1 auxiliary power supply. It hasn’t worked in years but I’m trying to understand if they ran 10 wallboxes oon the power supply and if this would be an issue if only one or two were used at a time.
Sent from my iPhone
On Feb 23, 2026, at 9:30 PM, John Robertson via Jukebox-list jukebox-list@lists.netlojix.com wrote:
On 2026-02-23 5:40 p.m., M De Simone via Jukebox-list wrote:
Why can only 6 wallboxes be connected to each auxiliary power supply? I have a situation in a diner where they have wired 5 wallboxes together and another 10 together. They want to get it up and running but don’t want their walls torn up to figure out the wiring. Just curious as it’s probably done in case of 6 wallboxes being operated at the same time. This scenario is very unlikely in this case, so before moving forward with tearing up walls and fishing wire I thought I’d ask the group. Thanks, Mauro
It is a limitation of the 24V power supply - each group of up to six wallboxes needs one wallbox power supply. You can put as many wallboxes (less than 100 I'd say though) as you like on the circuit otherwise!
John :-#)#
-- John's Jukes Ltd. 7 - 3979 Marine Way, Burnaby, BC, Canada V5J 5E3 Call (604)872-5757 (Pinballs, Jukes, Video Games) flippers.com "Old pinballers never die, they just flip out"
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There is this little thing called liability... The extra power supplies are cheap and easy to find... On Monday, February 23, 2026 at 09:39:36 PM EST, M De Simone via Jukebox-list jukebox-list@lists.netlojix.com wrote:
So there are 5 wallboxes on one line and 10 on the second line. Only 2 lines. It is a hideaway and has 1 auxiliary power supply. It hasn’t worked in years but I’m trying to understand if they ran 10 wallboxes oon the power supply and if this would be an issue if only one or two were used at a time.
Sent from my iPhone
On Feb 23, 2026, at 9:30 PM, John Robertson via Jukebox-list jukebox-list@lists.netlojix.com wrote:
On 2026-02-23 5:40 p.m., M De Simone via Jukebox-list wrote:
Why can only 6 wallboxes be connected to each auxiliary power supply? I have a situation in a diner where they have wired 5 wallboxes together and another 10 together. They want to get it up and running but don’t want their walls torn up to figure out the wiring. Just curious as it’s probably done in case of 6 wallboxes being operated at the same time. This scenario is very unlikely in this case, so before moving forward with tearing up walls and fishing wire I thought I’d ask the group. Thanks, Mauro
It is a limitation of the 24V power supply - each group of up to six wallboxes needs one wallbox power supply. You can put as many wallboxes (less than 100 I'd say though) as you like on the circuit otherwise!
John :-#)#
-- John's Jukes Ltd. 7 - 3979 Marine Way, Burnaby, BC, Canada V5J 5E3 Call (604)872-5757 (Pinballs, Jukes, Video Games) flippers.com "Old pinballers never die, they just flip out"
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Guys, thank you for all the information! I think I am going to see if I can split that bank of 10 wallboxes without doing too much damage. If not I’ll give the owner his options. Either disconnect and don’t use some of the wallboxes, or accept there will be damage to the walls to run some wires or try led bulbs, but this could be a hazard. Really appreciate the knowledge in this group,
Mauro
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On Feb 24, 2026, at 5:48 AM, JIM & LAURIE DIRKSEN via Jukebox-list jukebox-list@lists.netlojix.com wrote:
There is this little thing called liability... The extra power supplies are cheap and easy to find... On Monday, February 23, 2026 at 09:39:36 PM EST, M De Simone via Jukebox-list jukebox-list@lists.netlojix.com wrote:
So there are 5 wallboxes on one line and 10 on the second line. Only 2 lines. It is a hideaway and has 1 auxiliary power supply. It hasn’t worked in years but I’m trying to understand if they ran 10 wallboxes oon the power supply and if this would be an issue if only one or two were used at a time.
Sent from my iPhone
On Feb 23, 2026, at 9:30 PM, John Robertson via Jukebox-list jukebox-list@lists.netlojix.com wrote:
On 2026-02-23 5:40 p.m., M De Simone via Jukebox-list wrote: Why can only 6 wallboxes be connected to each auxiliary power supply? I have a situation in a diner where they have wired 5 wallboxes together and another 10 together. They want to get it up and running but don’t want their walls torn up to figure out the wiring. Just curious as it’s probably done in case of 6 wallboxes being operated at the same time. This scenario is very unlikely in this case, so before moving forward with tearing up walls and fishing wire I thought I’d ask the group. Thanks, Mauro
It is a limitation of the 24V power supply - each group of up to six wallboxes needs one wallbox power supply. You can put as many wallboxes (less than 100 I'd say though) as you like on the circuit otherwise!
John :-#)#
-- John's Jukes Ltd. 7 - 3979 Marine Way, Burnaby, BC, Canada V5J 5E3 Call (604)872-5757 (Pinballs, Jukes, Video Games) flippers.com "Old pinballers never die, they just flip out"
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On 2/24/26 02:48, JIM & LAURIE DIRKSEN via Jukebox-list wrote:
There is this little thing called liability... The extra power supplies are cheap and easy to find... On Monday, February 23, 2026 at 09:39:36 PM EST, M De Simone via Jukebox-list jukebox-list@lists.netlojix.com wrote:
So there are 5 wallboxes on one line and 10 on the second line. Only 2 lines. It is a hideaway and has 1 auxiliary power supply. It hasn’t worked in years but I’m trying to understand if they ran 10 wallboxes oon the power supply and if this would be an issue if only one or two were used at a time.
The power draw is primarily the lights and autotransformer to drive them. If you were to swap the lamps with LEDs you'll probably be fine with ten of them on a single power supply.
Only one wallbox can be "used" at a time. If selections are made on more than one at the same time the pulse train will be corrupted and the jukebox will either play a wrong selection or none at all.
So, could you have more than 1 power supply run in parallel, both supplying the same set of wires, so he could just have more than one power supply and not have to rewire?
How much power are we talking, is the current carrying capability of the wire a consideration here?
Swapping the lamps out for LEDs does seem like a good idea.
Thanks,
--> Steve
On Tue, Feb 24, 2026 at 10:09:28AM -0800, Jay Hennigan via Jukebox-list wrote:
On 2/24/26 02:48, JIM & LAURIE DIRKSEN via Jukebox-list wrote:
There is this little thing called liability... The extra power supplies are cheap and easy to find... On Monday, February 23, 2026 at 09:39:36 PM EST, M De Simone via Jukebox-list jukebox-list@lists.netlojix.com wrote: So there are 5 wallboxes on one line and 10 on the second line. Only 2 lines. It is a hideaway and has 1 auxiliary power supply. It hasn’t worked in years but I’m trying to understand if they ran 10 wallboxes oon the power supply and if this would be an issue if only one or two were used at a time.
The power draw is primarily the lights and autotransformer to drive them. If you were to swap the lamps with LEDs you'll probably be fine with ten of them on a single power supply.
Only one wallbox can be "used" at a time. If selections are made on more than one at the same time the pulse train will be corrupted and the jukebox will either play a wrong selection or none at all.
-- Jay Hennigan - jay@west.net Network Engineering - CCIE #7880 503 897-8550 - WB6RDV
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On 2026-02-24 11:19 a.m., Steve Wahl via Jukebox-list wrote:
So, could you have more than 1 power supply run in parallel, both supplying the same set of wires, so he could just have more than one power supply and not have to rewire?
How much power are we talking, is the current carrying capability of the wire a consideration here?
Swapping the lamps out for LEDs does seem like a good idea.
Thanks,
--> Steve
Actually, the power supplies must have the AC hot side (fused side) separated. Otherwise you run the risk of one transformer loading a second one. The Transformers have only the Commons connected. Each transformer supplies AC to up to 6 wallboxes, then a second transformer is hidden away to power the next six and can be at either end of the string of six.
John :-#)#
On Tue, Feb 24, 2026 at 10:09:28AM -0800, Jay Hennigan via Jukebox-list wrote:
On 2/24/26 02:48, JIM & LAURIE DIRKSEN via Jukebox-list wrote:
There is this little thing called liability... The extra power supplies are cheap and easy to find... On Monday, February 23, 2026 at 09:39:36 PM EST, M De Simone via Jukebox-list jukebox-list@lists.netlojix.com wrote: So there are 5 wallboxes on one line and 10 on the second line. Only 2 lines. It is a hideaway and has 1 auxiliary power supply. It hasn’t worked in years but I’m trying to understand if they ran 10 wallboxes oon the power supply and if this would be an issue if only one or two were used at a time.
The power draw is primarily the lights and autotransformer to drive them. If you were to swap the lamps with LEDs you'll probably be fine with ten of them on a single power supply.
Only one wallbox can be "used" at a time. If selections are made on more than one at the same time the pulse train will be corrupted and the jukebox will either play a wrong selection or none at all.
-- Jay Hennigan - jay@west.net Network Engineering - CCIE #7880 503 897-8550 - WB6RDV
Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/
On 2/24/26 11:19, Steve Wahl via Jukebox-list wrote:
So, could you have more than 1 power supply run in parallel, both supplying the same set of wires, so he could just have more than one power supply and not have to rewire?
How much power are we talking, is the current carrying capability of the wire a consideration here?
Current carrying capability of the wire could be a factor, likely not. You could substitute a larger transformer. Running two in parallel is another option. There are three #55 lamps each drawing .41 amps plus two #51 lamps each drawing .22 amps for 1.67 amps draw per wallbox. This is at 6 volts, and an autotransformer steps down the 24V supply so the load at 24V is about 0.4175 amps, call it half an amp due to losses in the transformer, etc. So ten wallboxes will pull about 5 amps. 18-gauge wire is good for 10 amps so unlikely to be a factor if that's what you're using.
The below replacement LED lamp for either #51 or #55 draws 100mA each, so five would be 0.5 amps at 6 volts, 0.125 amps at 24 volts per wallbox. Swapping to LEDs reduces standby current by a factor of four so ten wallboxes on a string would be fine. They're spendy at a little over $5 per lamp, but cheaper than ripping out the walls to rewire and you won't be chasing burned-out bulbs.
https://www.aero-lites.com/product-page/6V-BA9S-G4
It’s a Seeburg wallbox transformer limitation. My Seeburg Wall-O-Matic instructions all say something like “If more than 6 are connected to a circuit, the transformer supplying power to the circuit may be burned out.”
To avoid potential burn out, you need a PS6-1Z Power Supply for each set of up to 6 Wall-O-Matics. From what I understand, the PS6-1Z was used from about 1941 until about 1970 to power up to 6 Wall-O-Matics each.
There are several PS6-1Z Power Supplies available on ebay right now. See if you can find some working PS6-1Z’s there. Or, I have a schematic of the PS6-1Z if you want to make your own. Buying or making – both are much easier than tearing up walls.
Paul Humel
-----Original Message----- From: M De Simone via Jukebox-list [mailto:jukebox-list@lists.netlojix.com] Sent: Monday, February 23, 2026 5:41 PM To: Jukebox mailing list Cc: M De Simone Subject: [Jukebox-list] Connecting multiple Seeburg wall boxes
Why can only 6 wallboxes be connected to each auxiliary power supply? I have a situation in a diner where they have wired 5 wallboxes together and another 10 together. They want to get it up and running but don’t want their walls torn up to figure out the wiring. Just curious as it’s probably done in case of 6 wallboxes being operated at the same time. This scenario is very unlikely in this case, so before moving forward with tearing up walls and fishing wire I thought I’d ask the group. Thanks, Mauro
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