![]() ![]() If you must use an extension cord in wet areas, be sure that the cord is in excellent condition and only plugged into a GFCI (Ground Fault Circuit Interrupter) outlet. Plus, you want to avoid any situation where the electrical extension cord poses a tripping hazard. ![]() Avoid using extension cords near water, near heat sources, or near heavy traffic.Įxcessive heat or heavy traffic can damage electrical cords so avoid this at all times. ![]() These electrical safety tips apply to the proper use of extension cords, power surge protectors, and electrical power strips in your home or in your place of business. So I guess I'll connect positive to positive and negative to negative, get a 2.1mm x 5.Be smart about electrical safety and follow these extension cord safety tips when using electrical extension cords outdoors or indoors. Is there a way to do this without accessing it's middle?ĮDIT: after doing some research, it appears that the wire with the line on it is positive. The proprietary port is so small that the multimeter's prong things won't go into the middle. I'm guessing that your trick with the multimeter matching inner/outer places to positive/negative wires will give me that information, but I'm running into an issue. Here are the letters it says:Į315656 AWM STYLE 2468 80☌ 300V 20AWG VW-1 LinoYaĪlso, it's my understanding that switching one of the wires I'm connecting will reverse that polarity, and while it will still transfer energy, the output at my hub will not be correct. One wire has letters and the other has dashed solid lines. On the extension cord, however, there are some odd markings. The wires for the old adapter's cord are color coded, but the ones from the extension cord are not. This acts as a port on the outside of the NES case, where I can plug in a standard 2.1mm x 5mm DC adapter.Ĭlick to expand.Thanks for the answer! I'm still confused in a couple areas though. Where "<" = Weird (male) barrel port, cannibalized from the 5V power adapter that came with the USB hub (plugging into the matching port on the USB hub)Īnd "[" = Standard (female) 2.1mm x 5.5mm, cannibalized from the extension cord that I foolishly ordered based on information from the hub's manufacturer. NOTE that the end result of the extension cord will hopefully look and function like this: I have a multimeter, but I don't know how to use it to measure the polarity in this situation. I have no idea how to obtain the polarity of all the components, and splice the right wires together so that nothing explodes. I will then order a 5v 2.1mm x 5.5mm adapter to power it on the outside of the NES. I've decided to remedy this by splicing the power adapter's male end (the proprietary one that came with the hub) to the extension cord's female end to create a more standard extension and conversion. I believe it is a weird proprietary size, so I'm unable to find an extension cord to act as a port. The port was nowhere near 2.1mm x 5.5mm when I bought it, so I went to RadioShack to see if I could figure out the right size. Problem is, the manufacturer didn't know what the heck they were talking about. HUB are female and male ports (depending on where they're pointing in relation to the wire) and = is the DC adapter (and connecting cord). I was planning on using the female end of the extension cord as a port running from the inside to the outside for the adapter, plugging the male end of the extension into the hub (and the male end of the outside power adapter into the port I'm making on the NES, of course). The USB hub's manufacturer assured me that the barrel port size was 2.1mm x 5.5mm, so I went ahead and ordered an extension cord for that size, as well as the USB hub. The USB hub I'm using (which powers everything inside the case) has a barrel jack DC adapter thingy. I am attempting to put a Raspberry Pi inside an old NES case (not an original idea, but I thought it would be a fun opportunity to learn more about the hardware section of electronics), and I am having trouble with the power source. I've been trying to deal with this for the past few days, and I've decided to ask online because I am completely stuck. TL DR: I need to splice two different barrel connectors together, to create an extension cord of sorts.įirst I would like to state that I am quite new at electronics in general, so I apologize if I'm missing some concepts entirely xD ![]()
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