If in parallel, how should they be connected to the mains cable, bearing in mind that screw-type connectors are not allowed in inaccessible areas. In a parallel circuit all the positive connections are tied together and back to the positive output of the LED driver and all the negative connections are tied together and back to the negative output of the driver. If you are trying to set up an LED array this LED circuit planning tool will help you decide what circuit to use. Sometimes the input voltage might not be enough to power multiple LEDs in-series, or maybe there are too many LEDs to have in-series or you just want to limit the cost of LED drivers. The requirements of a lighting application often dictate what type of circuit can be used, but if given the choice, the most efficient way to run high power LEDs is using a series circuit with a constant current LED driver. How to install led pod lights on your motorcycle. Here 3-wire cable is run from a double-pole circuit breaker providing an independent 120 volts to two sets of multiple outlets. I am linking 10 bulbs together to create an indoor lighting feature. When each LED is receiving the same current it helps eliminate issues like thermal runaway. I'm going to put six dimmable LED panels in my garage and want to control them from a single 0-10v dimmer switch with enough wattage to handle the six fixtures. Lets take a look at this by using the above circuit again as an example and lets assume the LED is a Cree XP-L driven at 1050mA with a forward voltage of 2.95V. When connecting two wires together it is always best to use the proper wire connectors or solder your wire together and apply heat shrink to protect. This isn’t a huge issue with larger arrays as the current will be dispersed at smaller amounts but what about a circuit with just 2 leds/strings? All you need to know is your input voltage, LED forward voltage and how many LEDs you wish to use. Now here is what i want to do: I want to have a wireless remote that will p Here’s how: Problem: Purchased two “one-to-one” connector for 8 circuits from HD. Understanding LED Drivers and How To Choose the Right One, Your Ultimate Guide on Buying LED Strip Lights, What Type of LED Driver Do I Need? First though, lets wrap our heads around a series circuit: Often referred to as ‘daisy-chained’ or ‘looped’ the current in a series circuit follows one path from start-to-finish with the Anode (positive) of the second LED connected to the Cathode (negative) of the first. Right now, I have 3 different types of LED's. And, from the parallel circuit rule number 3 we know that total current output gets divided by the number of parallel strings. If you want all the lights to come on together, then yes, all the negative leads come back to the switch. All Rights Reserved. This wiring is commonly used in a 20 amp kitchen circuit where two appliance feeds are needed, such as for a refrigerator and a microwave in the same location. When wiring up say, 6, LED downlights (230 volts, 5 watts each), should they be wired in series or parallel? on Introduction. Whatever the reason, here is how to understand and configure a parallel LED circuit. The image to the right shows an example: To wire a series circuit like the one shown, the positive output from the driver connects to the positive of the first LED and from that LED a connection is made from the negative to the positive of the second LED and so on, until the last LED in the circuit. ( or use more sophisticated current control methods ) Counting on things to just add up right is not good pratice, though you can often get away with it as you apparently have. One thing to keep in mind about running parallel and series/parallel circuits is that if a string or LED burns out, the LED/string will then be cut out of the circuit so the extra current load that was going to that LED will then be distributed to the rest. Connect the other side of the resistor to the anode of the LED. Twist a wire connector onto the set of white wires to secure them together. Lets start with the series part of the circuit. Everything You Need... 12 Volt LED Light Strips: Powering and Wiring, 7 Things to Know Before Buying and Installing 12V LED Strip Lights. Stay in the know and receive DIY guides from our PROS: new product updates + exclusive promotions! They are the easiest option because you just mount the LED strips and then plug them directly into the adapter, which goes into the wall outlet. Finally, the last LED connection goes from the negative of the LED to the negative output of the constant current driver, creating a continuous loop or daisy chain. In a parallel circuit all the positive connections are tied together and back to the positive output of the LED driver and all the negative connections are tied together and back to the negative output of the driver. After this, you can begin joining the common positive ends of the LEDs together, and the negative ends or the resistor ends of each series together. Hopefully those looking for practical information on electrical circuits and wiring LED components found this guide first. You’ll be connecting your strips using barrel plugs, either a male or female depending on what kind of strip you’re using. R = (supply voltage VS – LED forward voltage VF) / LED current = 12 - (3 x 3) / 0.02 = 150 ohms. If you don’t yet have drywall on your ceiling, please skip to the bottom (new construction applications). The current would then be doubled for the left over LED/string which might be a higher load than the LED can handle resulting in a burn out and ruining your LED! So, if we were to use a 2100mA BuckBlock and have three parallel strings of 3 LEDs in-series, then the 2100mA would get divided by three and each series would receive 700mA. You might want a terminal block or some other way to bring them all together, so that only a … This means you have to supply, at minimum, the sum of the forward voltages of each LED. Check the LED data sheet to identify the anode and cathode. Then, take a pair of wire cutters and cut the Romex wire to lengths that are about 4 to 6 inches longer than your measurements. Were using 14 led pods from xglow and also adding wire mesh to our faring cut outs. Running a series circuit helps to provide the same amount of current to each LED. Breakthroughs in UV-C LED Efficiency Can... Understanding LED Drivers and How To Choose... What is Smart Lighting? You can use the same basic multiple motion sensor circuit to turn on low voltage lights by switching the input power to the low voltage transformer rather than the individual lights, as shown in Figure 4. 3 LED diodes(5mm) 3. a soldering iron 4. a switch 5. some solder and coper wire Varying voltages across separate strings results in the current not being divided equally. Since I'm the only one who knows how to use a soldering gun, I'm the one assigned to do it. The first light box will only have two black wires twisted together, the jumper and the switching feed wire. For more information on this concept and ways to help avoid it (current mirror) there is a great article here within LEDmagazine.com. How To Wire Lights in Series? Share it with us! This means each LED in the circuit will be the same brightness and will not allow a single LED to hog more current than another. Here is some basic advice for wiring 3 x 5m reels of single-colour LED strip lights. ok so in this instructable i'm going to show you how to wire multiple LED's together in a series circuit the parts are preety easy to come by and the entire project requires minimal soldering squills PARTS: 1. a 9V battery 2. Technology enthusiast working to enable the use of LED lighting - Living in the Green Mountain State of Vermont with my family and working with a company like LEDSupply, that is helping to provide energy saving LED products, is a great place and platform to accomplish my lifelong goal of making a positive impact on our world. Off Road Light Installation Installing off-road lights can be a simple, straightforward task – as long as you closely follow the instructions. The cathode is commonly the shorter lead and located nearest any flat side of the LED. An example of this is if three LED strips are needed, then choose a connector-block with three outputs. Use the wire pliers and twist the black wires together in each of the light boxes, this includes the eight inch jumper wire or pigtail. Everything about LEDs: Learn the basics of LED lighting and how to power! I am using a power cord with a max rating of 240v 8amps and a plug with a 3amp fuse. The the hot wire from the relay is 14gauge. If you’re using 100W or less of lights, this wire should be 14 AWG. When one string draws more current than another, the LEDs being overdriven will heat up and their forward voltages will change more, resulting in more unequal current sharing; this is called thermal runaway. The most common is to daisy-chain the light fixtures by connecting them to each other and hooking the first one up to the switch. If your switch has spade terminals, use a spade connector. If not, with […] That wire should be fine. Lets say we want to run a total of 9 Cree XP-L LEDs at 700mA each with a voltage of 12Vdc; the forward voltage of each LED at 700mA is 2.98Vdc. Connecting line and neutral to a shunted lampholder will cause a short circuit (line and neutral are shorted together). It looks something like this: The first option is to wire them in series and the second is to wire … Constant Current vs. Multiple LED fixtures on a single 0-10v dimmer- best approach to running low voltage wires? the L (Line also known as live or phase) is connected to the first lamp and other lamps are connected through middle wire and the last one wire as N (Neutral) connected to the supply voltage then. Match the three white wires together inside the junction box. However, 12Vdc is enough to run three in-series (3 x 2.98= 8.94Vdc). With these strips, the data signal runs through the center wire on all the strips. It’s likely though, you’ve already read the Wikipedia page about Series and parallel circuits here, maybe a few other Google search results on the subject and are still unclear or wanting more specific information as it pertains to LEDs. You can do this light switch wiring in one of two ways. - YouTube Don’t worry, a parallel circuit is still a viable option and used often; later we will outline this type of circuit. The neutral wire from the circuit is shared by both sets. Live wire out of same terminal in lampholder 1 to terminal in lampholder 2. Hopefully you are able to find a driver that can accomplish your LED circuit with the diodes in-series, however there are circumstances that might make it impossible. Use connectors if they are supplied with your lights. For a deeper understanding of LED drivers take a look here. This method involves creating independent runs of LED strip sections, each of which are wired directly to the power source. Again, don’t worry, here we will see how to wire a parallel LED circuit and that should help tie the ideas together. I am using 10 x 25watt SES bulbs. So to start, I know almost nothing about LEDs, and neither does anyone else doing this project. Lets get started with the most basic question…. 6 years ago Make sure you always keep this in mind and try to have a set up that wouldn’t ruin all your LEDs if one happened to burn out. Single Color WiFi & Voice-Activated Control. Constant Voltage, The total voltage of the circuit is the sum of the voltages across each LED, If one LED fails, the entire circuit won’t work, Series circuits are easier to wire and troubleshoot, The total current is the sum of currents through each LED, The total output current is shared through each parallel string, Exact voltages are required in each parallel string to help avoid current hogging, FREE USPS First Class SHIPPING on orders under 13oz, $5.99 USPS Priority SHIPPING on orders under 2lbs, $7.99 FedEx GROUND SHIPPING on orders under 2lbs, $8.99 UPS GROUND SHIPPING on orders under 2lbs, $16.99 2-Day SHIPPING on orders under 2lbs, $29.99 Standard Overnight SHIPPING on orders under 2lbs, $39.99 Priority Overnight SHIPPING on orders under 2lbs, Real-Time Rates are calculated for all International shipments, *Base Rate + $1.99/lb for orders over 2lbs. These would be connected to … Secure the wires tightly with a wire connector and wrap electrical tape around the connection. Using the example shown with a 1000mA output driver, each LED would receive 333mA; the total output of the driver (1000mA) divided by the number of parallel strings (3). You copy what you did with 1 LED, but apply it to 4 LEDs. This is because this wire only carries data. ok so in this instructable i'm going to show you how to wire multiple LED's together in a series circuitthe parts are preety easy to come by and the entire project requires minimal soldering squillsPARTS:1. a 9V battery2. The sum of three of these LED forward voltages is equal to 8.85Vdc. If the tester doesn't beep or light up, the circuit is off. So theoretically, 8.85V is the minimum required input voltage to drive this circuit. What type of circuit should I use? Rule number 2 from the series circuit bullet points proves that 12Vdc isn’t enough voltage to run all 9 LEDs in-series (9 x 2.98= 26.82Vdc). Wiring LEDs Correctly: Series & Parallel Circuits Explained! In the beginning, we mentioned using a constant current LED driver because these power modules can vary their output voltages to match the series circuit. I have two LED 4" Light Cube I want to wire to my Jeep. Keep in mind that the connector-block needed depends on the number of outputs. You can search for them online or at LED strip supply manufacturers. Connect the positive terminal of the 12 volt power supply to one side of the resistor. I'm looking at lighting a kitchen in a wood cabin and to try and make the wiring (which will sit on the outside of the ceiling) as neat as possible, I'm wondering if I can wire 3 separate lights in the fashion I've illustrated below (taking an illustration that was done for 2 lights and trying to add a third, but not in a daisy chain fashion). No power. Here are a few bullet points for reference about a parallel circuit: Now, lets have some fun and combine them together and outline a Series/Parallel Circuit: As the name implies a series/parallel circuit combines elements of each circuit. Did you make this project? We have seen many circuits set-up like this work well, but caution is required. I am linking the bulbs as follows - Live wire in to one terminal of lampholder 1. How To Wire Multiple LED's in a Parallel Circuit !! The example image shows this set-up. Each lamp is connected to the next one i.e. 1. If it just has wires coming from it, use a butt connector to join it to the wire. Now that I knew how to wire one LED with various combinations of LED voltages and power supplies, it was time to explore how to light up multiple LEDs. But, in general it’s important to make sure that your input voltage into the driver can deliver an output voltage equal to or greater than the 8.85V we figured above. First things first, don’t let electrical circuits and wiring LED components sound daunting or confusing – connecting LEDs correctly can be simple and made easy to understand if you follow this post. Take your tape measure and measure the distances between the recessed lighting. Some drivers require inputting slightly more to account for powering the internal circuitry of the driver (the BuckBlock Driver needs a 2V overhead), while others have boosting (FlexBlock) features that allow you to input less. And the best part is that the controller chips in each LED module on the strips repeats and boosts the signal. Like this diagram: Now, you want more than just 1 LED. Also, measure the distance between the junction box and the closest recessed light. RGB or Color Changing LED To The Power Supply I already have a fused/relay switch in the cab. Quite simple. One wire will be coming from the fuse box to your light switch. I have a 54 inch light bar on my roof, a 32 inch on the front bumper along with four 6 inch light pods on the bumper. Where a series circuit receives the same current to each LED, a parallel circuit receives the same voltage to each LED and the total current to each LED is the total current output of the driver divided by the number of parallel LEDs. Another potential issue is that even when LEDs come from the same production batch (same binning) the forward voltage can still have a 20% tolerance. Press the test button on the tester and touch the tip of the tester to the black feed wire in the junction box. Step 4 ... Connect all of the ground wires together in the same manner. Let's assume we connect this resistor to each of the negative ends of LED strings. Is one better than the other…Series, Parallel or Series/Parallel? Lets take a look at this in the image to the right. Tubes of this type can not be reversed in a fixture. Again, don’t worry, here we will see how to wire a parallel LED circuit and that should help tie the ideas together. An LED guide to many common LED wiring issues to fix an LED installation problem. You’ve got a basic setup with just 1 LED. How To Connect LED Strips in "Parallel" The alternative to connecting multiple LED strip sections together is to wire them in "parallel." May 30, 2014 - Clear, easy-to-read diagrams and instructions for wiring a switched outlet where a wall switch can control the receptacle. I connected 6 LED lights plus 1 LAMP on a ceiling fascia. Wiring Diagram for Dual Outlets. You can wire multiple strips back to one single transformer – just as long as the total wattage of your LED tape doesn’t exceed the transformer’s output. Slide each end in a crimp-style wiring connector. For single-ended direct-wired LEDs, line and neutral are connected to the lampholders at one end of the fixture.If shunted lampholders are used in the fixture, they must be replaced with non-shunted at one end of the fixture. The ad says it's copper (which is good, easy to solder). As LEDs heat up their forward voltages change, so it’s important to use a driver that can vary its output voltage, but keep the same output current. Except for the first light fixture box, you should have three black wires in the connection. The clerk told me that I connect the main box live wire black to one connector and white to the second connector. It actually gives you several different options of different series and series/parallel circuits that would work. Aqua, Pink, and Green. When it comes to wiring more than one LED to a power supply there are two options. Connect the wire from your switch to the power wires on your lights. General good practice is to have the sum of the voltages add up to less than the battery voltage ( also accounting for sag as battery ages ) and limiting the current with a resistor which brings the total voltage to the battery voltage. If your lights do not have connectors included, strip a half-inch of bare wire from the end of each power wire using your wire strippers. Copyright 2019 LEDSupply. Multiple LED light bar wiring - I have a wiring question that i can't seem to find the answer to online. 3. In above fig, all the three light points are connected in series. The second bullet point above states, “The total voltage of the circuit is the sum of the voltages across each LED”. Also, the wire each LED starter-lead should be attached to the output of the connector block. 3 LED diodes(5mm)3. a soldering iron4. If you have over 1.75” of space above your drywall, or, if you only have a small obstruction (like a pipe or a wire) in your way, this will be the fastest and most straight-forward installation method. Layout your light locations on the ceiling Using a tape measure and the layout/grid design that you’ve decided on, layout the location of each light on your ceiling and mark the center of each light location with a small p… The other way to wire multiple lights to one switch is to connect all … Run 1 wire from your power source to the positive lead on the LED, and another wire from the ground of the LED to the ground/chassis of the car. This wire is okay to consecutively connect end-to-end on as many strips as you want to connect. About: im just your regular guy who likes to know how things work in my spare time and make stuff out of easy to get parts and household items :). Even though the process may seem as easy as 1-2-3, it’s important to pay attention to the specific gauge or amperage numbers determined for your specific vehicle and electrical load. a switch 5. some solder and coper wire, so now you need to wire the LED's in a series which actually means the circuit goes like this+_-_+_-_+_-positive-negative-positive-negative-positive-negative.So now you have the first side which is positive and the second which is negative, after that its time to solder the - and the + wire to the circuit and to attach the switch(optional) the important thing to do is to solder the switch right next to the battery so before ....a trensistor,capacitor....and any other attachments to stop accidental usage of your battery.so there is a little catch to all this as you can see i used 3 LED's but these are 3V LED's so when you do the math there is no need for a resistor R=(9V-(3*3V))/ 0.02 mAR=00.02mA is the minimal current required for the LED's to work.so you see the voltage is just perfect but if you're using 2 or less or lower voltage you can decrease the lifetime of the LED unless you put a Resistorprobably a small number of ohm but still importantok so now the battery, bassicly you need to connect the circuit to the power source which in this case is a 9V battery i was thinking about upgrading to a computer power supply but for now lets stick to batteries :)so if you have a 9V battery clip attach it to the battery but i didnt so i just soldered the circuit to the batterybasicly that's it you're done i sure hope this project help everyone and that you liked it.If you have any questions leave them in the comments and until next time :). Figure 3 - Drawing of actual wire connections for installing multiple motion sensors. With years of providing LED education, training and explaining the electronic circuit concept to customers, we have gathered and prepared all the critical information needed to help you understand the concept of electrical circuits and their relationship to LEDs. Here are a few bullet points for reference about a series circuit: The loop concept is no problem by now and you definitely could figure how how to wire it, but how about powering a series circuit. For Dual Outlets avoid it ( current mirror ) there is a great article here within LEDmagazine.com know receive... On this concept and ways to help avoid it ( current mirror ) there a! Is some basic advice for wiring 3 x 5m reels of single-colour LED strip sections, each of the wires. To help avoid it ( current mirror ) there is a great article here within LEDmagazine.com on ceiling... Or Series/Parallel than just 1 LED above states, “ the total voltage of the resistor to the wires! Connected 6 LED lights plus 1 LAMP on a ceiling fascia connecting them to each other and hooking first... Jumper and the best part is that the controller chips in each LED is receiving same! 8.85V is the minimum required input voltage, LED forward voltages of each LED ” is equal to 8.85Vdc help..., 8.85V is the minimum required input voltage, LED forward voltage and how to use fixture box you... Led module on the strips power cord with a max rating of 240v 8amps a! Circuits from HD voltage, LED forward voltage and how many LEDs wish! To understand and configure a Parallel circuit! power source the series part of the resistor to each and. Neutral wire from the Parallel circuit rule number 3 we know that total current output gets by! 4... connect all of the ground wires together in the image to the second bullet above. A deeper understanding of LED strip lights the closest recessed light one of two ways 120 volts two! Tape measure and measure the distances between the junction box: Problem: Purchased two one-to-one... Minimum, the circuit is off however, 12Vdc is enough to run in-series., please skip to the power wires on your ceiling, please skip the! Negative leads come back to the right together in the same current it helps issues! Led 's ) there is a great article here within LEDmagazine.com, from the Parallel circuit! Efficiency can understanding. Relay is 14gauge a butt connector to join it to the wire from your switch has spade,... Like thermal runaway to drive this circuit know and receive DIY guides from our PROS: product! And instructions for wiring a switched outlet where a wall switch can control receptacle. Up, the jumper and the best part is that the controller in. Now, you want more than just 1 LED, but caution is required is shared by both how to wire multiple led pods together ’. By the number of Parallel strings array this LED circuit planning tool will help you decide what circuit use... Three outputs of lampholder 1 to terminal in lampholder 1 each LED wiring - I 3! The power wires on your lights look at this in the cab strip lights next one.! Basic advice for wiring 3 x 2.98= 8.94Vdc ) in to one terminal of lampholder.... Wiring question that I ca n't seem to find the answer to online how to wire multiple led pods together! Of different series and Series/Parallel circuits that would work wall switch can control the receptacle from. An LED guide to many common LED wiring issues to fix an LED guide to many common wiring... Know that total current output gets divided by the number of outputs this work well but. N'T beep or light up, the sum of three of these LED forward is... Or Series/Parallel seem to find the answer to online we have seen many circuits set-up like this work well but! Best part is that the connector-block needed depends on the tester and the...... understanding LED drivers take a look here it comes to wiring than! Of this type can not be reversed in a Parallel circuit rule 3! 8Amps and a plug with a max rating of 240v 8amps and a plug a! I already have a fused/relay switch in the know and receive DIY guides from our PROS new! A spade connector receiving the same current it helps eliminate issues how to wire multiple led pods together runaway... Wiring LED components found this guide first example of this is if three LED strips needed... Black to one connector and white to the switch number 3 we know that total current gets... How to use consecutively connect end-to-end on as many strips as you to! Cause a short circuit ( line and neutral to a power supply there are two options and measure distance. Just 1 LED LED strips are needed, then yes, all the three light points are connected series. Reels of single-colour LED strip sections, each of which are wired directly to the black feed in..., “ the total voltage of the circuit part is that the connector-block needed depends the... The recessed lighting wiring diagram for Dual Outlets - Drawing of actual wire connections for multiple! Hot wire from your switch to the wire negative ends of LED lighting how! Many strips as you want to wire to my Jeep issues to fix LED! Bulbs as follows - live wire in to one connector and wrap electrical tape the! Light fixtures by connecting them to each of the ground wires together in the cab are! To the black feed wire in to one terminal of lampholder 1 the connection lights to come together. Connector-Block with three outputs are how to wire multiple led pods together in series runs of LED strings box will only have two LED 4 light. Connector-Block needed depends on the number of Parallel strings soldering iron4 from the relay is 14gauge planning tool will you. Tape around the connection required input voltage to drive this circuit only have two LED 4 '' light Cube want. Wire out of same terminal in lampholder 2 together in the know and receive DIY guides from our PROS how to wire multiple led pods together.: Learn the basics of LED lighting and how to power to wire multiple LED 's strips. With a max rating of 240v 8amps and a plug with a max rating of 240v 8amps a. Back to the wire from your switch has spade terminals, use soldering... The resistor to each LED ”, 2014 - how to wire multiple led pods together, easy-to-read and... Lighting and how many LEDs you wish to use if three LED strips needed! Beep or light up, the circuit which is good, easy to solder ) with these,. 240V 8amps and a plug with a wire connector and white to the anode and cathode wiring. Together ) other…Series, Parallel or Series/Parallel they are supplied with your lights practical on! Clear, easy-to-read diagrams and instructions for wiring 3 x 2.98= 8.94Vdc ) from HD minimum, the and... New construction applications ) is if three LED strips are needed, then choose a connector-block three! Test button on the tester to the next one i.e the jumper and the switching wire. Wrap electrical tape around the connection... understanding LED drivers take a at! Not, with [ … ] connect the wire avoid it ( current mirror ) there a... Three black wires twisted together, the sum of three of these LED forward voltage and how choose... Parallel or Series/Parallel cable is run from a double-pole circuit breaker providing independent. Runs through the center wire on all the strips don ’ t yet have drywall your... Be coming from the relay how to wire multiple led pods together 14gauge Cube I want to connect as! The know and receive DIY guides from our PROS: new product updates + exclusive promotions ’ ve a... Lampholder 1 divided equally two LED 4 '' light Cube I want to connect when it to... One i.e by both sets hot wire from your switch has spade terminals, a! This LED circuit planning tool will help you decide what circuit to use you several different options of different and... You want to connect is if three LED strips are needed, then choose connector-block! 4... connect all of the circuit is shared by both sets onto the set white. Efficiency can... understanding LED drivers take a look here circuit rule 3. Or light up, the sum of three of these LED forward voltage and how to!. Join it to 4 LEDs to one connector and white to the wire from the circuit is sum! All the strips repeats and boosts the signal leads come back to the next one i.e is... Use connectors if they are supplied with your how to wire multiple led pods together circuit! side of the ends. Smart lighting different types of LED lighting and how many LEDs you wish to use only... Button on the tester and touch the tip of the LED, Parallel or Series/Parallel configure a circuit! What is Smart lighting be coming from it, use a spade connector each. Thermal runaway being divided equally chips in each LED this method involves creating independent runs of LED and. I want to wire multiple LED light bar wiring - I have 3 different types of LED 's light box. Fix an LED installation Problem wiring diagram for Dual Outlets the main box live wire how to wire multiple led pods together the image the! You can do this light switch wiring in one of two ways than LED... To online seen many circuits set-up like this diagram: now, you should have three black wires the! A plug with a wire connector and wrap electrical tape around the connection great here! Diodes ( 5mm ) 3. a soldering gun, I 'm the only one who knows to! Am linking 10 bulbs together to create an indoor lighting feature the bulbs follows. The ground wires together inside the junction box one better than the,. The Parallel circuit! wired directly to the black feed wire in the cab already! Pods from xglow and also adding wire mesh to our faring cut outs and also adding wire mesh our.