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Mr. Funnybones

on October 31, 2020

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Color PVC

PVC is a great material. It's lightweight, relatively cheap, and easily obtainable at your nearest box store. One of the main problems with PVC, though is the color. Most of the big box stores will only cary plumbing PVC in white and electrical conduit PVC in grey. Other colors of "structural" PVC can be ordered, but it's expensive and hard to find. You can also try and paint PVC, but it is messy, and often flakes off. The best solution that I have seen is the technique of "staining" PVC that I first saw here in MAKE magazine. The technique is pretty simple and basically similar to the purple primer we use prior to joining fittings for plumbing PVC. It turns out, Oatey PVC Clear Cleaner can be stained a variety of nice colors with petroleum dyes. These petroleum dyes are commonly used to add color to kerosine for lamps, and for coloring gasoline in industrial applications. The quickest way to get your hands on some is searching ebay for petroleum dye or Re

Electrical Connections — WAGO 221

I wanted to share a new method I’m using for making electrical connections in my yard holiday setup. I’ve been looking for something safe, waterproof and ideally modifiable/reusable for when I change my mind/layout. I’m sure that others have discovered these previously, but I am loving the WAGO 221 lever nuts. Works for AWG 12-24, rated for mains mower amps/volts. Apparently more common in Europe for household wiring, but also certified by UL for household wiring in the US. I’m only using them for 12V 5A DC circuits, but it’s nice to know they’ve been well tested. I’m using 18g landscaping “lamp” wire and 35mm film canisters for my junction boxes. Here are a few pictures of my set up. *I have no financial connection with any of this. Just sharing something that works well for me. ** I’ve also tried a similar product that I found on Ali-express. It is much cheaper. But also much lower quality. Perfectly fine for throwing something together, but the wires fit in less well. I’d also nev

Solder Station Fumes Extractor

Soldering is great, but the fumes, less so. The link between solder fumes and asthma is clear. More fumes, more asthma. Breathing (and eating) lead is also not recommended. The newer lead-free solder compounds may be safer in some ways, but also contain other likely harmful substances that we are better off without. Soldering can produce smoke with particulate matter, volatile organics, and other noxious gases. A good system should both filter out the particulate matter, and then exhaust the remainder to the outside. This system uses a shop vac with hepa filter to provide local suction and manage particulate matter. Exhaust from the shop vac is then fed into an exhaust fan that is ducted to the outside. Here's a video of the system in operation: The core of the system is a good exhaust fan. This fan handles my solder exhaust, but can also improve the ventilation of my work room in general. If you are trying to exhaust the entire room, you should probably calculate the "air c

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