I have a sub panel that's wired for 20A 220. It's at an outdoor shed, with the cable run underground (not in conduit) from a junction box at the corner of the house. The underground cable developed an open in one of the hot legs. I want to replace this, but this time, using conduit. I thought that it HAD conduit, as there was a NM flex conduit where the cable entered the ground at the house, and exited the ground at the sub panel. Anyway, I need to get this fixed fairly quickly, so I'd like to wire it up, in conduit, then later bury the conduit. I would like to use liquid tight NM conduit, which is already used in a few places around the sub panel. The run would be a little less than 100' from the corner of the house to the sub panel. My background - I have done most of my ac wiring repairs in the past, including adding a breaker to a main panel for a GFCI outlet in a garage right near the panel (for running an air compressor that kept tripping the "garage" breaker). For this problem, I measured voltages, but I kept getting some weird results, so I called an electrician. Two showed up, and diagnosed the problem. The quote to repair it is over $1300, so I'd like to do it myself. Questions: - Does the NM conduit meet code for this application? - Can I use this conduit for runs this long? I'm thinking that the NM conduit has a better chance of staying dry than rigid PVC with 10 or so joints. But also... if this ever happens again, I want to be able to just pull new cable or wires through the conduit. - If so, what size conduit should I use? - What wire or cable do I need to use? The current underground cable is 12/3 with a ground. I'm guessing UF, but I can't read anything on the insulation. I've read that in some places, you must run individual wires through conduit like this instead of cable. Do I need to run wires or cable? - Do I need to run a ground? One of the electricians told me that I needed to ground the sub panel to a nearby ground rod. If so, why would I need to run a ground from the house? - Will I need to use lube on the cable or wire to get it through 100' of conduit?- Anything special (say, tools) needed to pull cable (or wires) through 100' of NM conduit? - How deep does it have to be buried? - Any other "gotcha's" in my plan? Thanks.

I am testing an in-car setup (see video link below) with a 12V DC splitter powering a Raspberry Pi 3, two 10.1' portable DVD players and a HDMI splitter. The Raspberry Pi is connected to a USB multimeter, which is connected to a Quick Charge 3.0 USB port on the 12V DC splitter (the second Quick Charge 3.0 port will be powering the 5V DC HDMI splitter, not shown). Note the 12V DC splitter is currently connected to an AC/DC converter for testing purposes only, and the 10.1" screen is also connected to an AC outlet but both will be powered in-car by the 12V DC splitter. So far I've had no issues, but would like to get some input on the voltage and current readings in the video (voltage red, current blue). The official power spec for the Raspberry Pi 3 is 5V 2.5A, but I have not seen it draw more than 800mA so far, and 1080P video playback is around 250-300mA. [url]https://streamable.com/t55ya[/url] Also component layout drawing for the final setup: [url]https://www.raspberrypi.org/forums/download/file.php?id=21950[/url] Any thoughts?