u/WanderyngAscetic

Hi All,

Please consider the following standard arrangement:

Laptop -> USB-to-Ethernet converter -> RJ45 cable -> OpenWRT router -> RJ45 cable -> ISP hardware (Modem, ONT, etc)

I am looking to create a device that combines the converter and the router, like so:

Laptop -> USB cable -> NewAwesomeOpenWRTRouter -> RJ45 -> ISP hardware.

I want the USB cable to provide power to the router AND also to appear as a network interface.

I have looked at travel routers. As far as I can determine, all are designed with their USB ports as Host. This makes sense, as they are intended to be used with external drives or for USB tethering.

So now I'm looking at assorted SBCs (e.g. Raspberry Pi), hoping that a USB-OTG port could be configured to serve the role of the USB-to-Ethernet converter. But I don't know if OpenWRT can be used that way. I'm comfortable with Linux but not a networking guru by any means...

Thanks for reading! Any ideas or guidance for me?

Hello all! My house is 100+ years old. There is an old electrical meter box (no disconnect) outside the house, which runs to my main panel in the dead center of my basement.

I'm planning a plumbing project and was looking into my main electrical panel. There is no grounding conductor! There are three conductors (L1, L2, N) coming from the utility (via the meter box), but no grounding conductors, no grounding rods, nothing.

There's actually a fat bare wire (#4?) tied to the main panel's grounding bus, which goes toward a tangle of galvanized pipes, but doesn't actually touch any of them. I suspect it was disconnected decades ago.

So, anyway, bad situation.

The plumbing project will replace the interior galvanized pipe with copper. But the main plumbing feed will still be a stub of galvanized pipe coming in from underground. I'm planning to use a long brass nipple (with a brass coupler) as a dielectric break between the steel and copper, unless this turns out to be disallowed.

Thanks for reading this far!!

I've been looking through codes; please tell me if I have this right:

Bonding the panel to the galvanized pipe is no longer sufficient. I also need one or two 8' grounding rods connected to the main panel. These wires can be bare copper. I should bond the plumbing to the main panel. I should also ensure that the hot and cold pipes are bonded together.

Whew. Here are my questions:

1. Is all that correct so far?
2. The water and power enter the basement at opposite sides of the house, with the main panel in the middle between them. Should I locate the grounding rods near the meter box, or near where the water supply pipe enters the house?
3. Do I need to bond the incoming pipe within 5' of the entrance? I was unsure if that requirement applied in this case, and it would require much less wire if I could bond it closer to the panel.

Thanks so much! I want to have all my ducks in a row before applying for the permit...