Electrical Wiring in the Home/Fluorescent Light switch
Expert: Will Babbitt - 12/16/2014
Question QUESTION: I have an old beer sign from the 50's with a 8 " tube .It has a push button switch (preheat type). I have lots of other signs in my bar that are plugged in & turned on & off by a wall switch. I want to change this particular light so it can turned on & off with wall switch also. The question is can I eliminate that push button switch and wire in the appropriate size starter , so I don't have to hold that button in ? Thank You
ANSWER: johnfoos absolutely as long as you keep the voltage run at the right distance, the current limits on the switch to match, you can do whatever you want,
Why not shunt out the original switch so if someone wants to put it back they can, then all you need is line voltage to what was the plug?
Just a thought but some people want these cool old signs original and that would be one way it could be put back to original or maybe it is not valuable enough to worry about, but the simple way is to shunt out the original switch,, wire the plug into a wall switch You can decide if the existing wire is in good enough shape to reuse and you are using it so ...
Yea just make sure anything you do matches the current limits on the sign or match wire size for wire size, voltage should not be a problem unless it is a long long run to the wall switch, past that it is amps keep everything in the amp range and go for it,
Very cool project what all kinds of signs do you have?
QUESTION: I think I have every old beer that was around the midwest in the 50's & 60's . Tin & lighted signs. I have to many to go around & turn on & off individually. I have two I want to change. The one I'm starting with has an 9" 6 watt tube .Stamped on the switch is Fluor Start Switch 20 watt 125 volt ac 125 dc . On the ballast is 4/6/8/watt 155amp 60 hz. Looking at wiring diagrams online look like I would be cutting only one wire, but there are 2 wires going in the switch & 2 coming out. Mr. Babbitt this is where you come in, which wires do I need to put starter between?? attaching image hopes this helps . This sign is for me not worried about resale I'll leave switch in just want to by pass it.. Thank you so much.
Answer Like most things, every engineer has a better idea, meaning there is really no set standard wiring scheme other than this one for a single flour,
The reason the rating is 125 ac 125 dc is they are so vintage you could power them with either, BUT I see a transformer and we all know transformer dc by induction through a transformer is not possible, and it also says 60 HERTZ and dc has no hertz so no matter what they put the switch in, it would handle 20 watts either ac or dc and the amps are missing but you have the voltage of 125 amps times volts = watts
so to make this simple, if there are two wires to the switch and you want to avoid holding in the starter for that time because you have too damn many, [kinda like me and my guitars we are slaves to our toys] why not put a double pole switch in the circuit then you can switch both wires one at a time, surely the combination is one wire on, one wire to fire the arc, then release .......................... and that does that?
I couldn't tell much from the switch picture, but again if you don't know which one to switch switch both, one on switch other, if that dont work the opposite should it works now right?
It has to be a pretty straight forward scheme one provides c0nstant and one is an intermittent to fire an arc,
NOW BE CAREFUL WITH THESE I have no idea what the secondary voltage is but enough to get your attention,
I too thought when I had photos this would be pretty simple but I cannot really tell what is what,
How about this, remove switch, put ohm meter on each color push button, watch meter, that will tell you what is switching and what is not, but it almost looks like black to me, but that is a guess, take a look at that last link it seems to be the better one,
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