Archive for the ‘Cabling’ Category:

2024-04-14 Drone Recharges From HV AC line

Wow!  It just clips onto the HV cable and recharges while it’s hanging there.  Presumably the drone has an inductive pickup coil that’s up against the conductor that’s carrying hundreds of amps.  I bet Joe Tegtmeyer would like to have one of these! https://www.facebook.com/interestingengineering/videos/1123581112297321/?mibextid=NnVzG8 https://www.facebook.com/reel/415716777728231?mibextid=9drbnH&s=yWDuG2&fs=e

2023-11-20 Will HVDC Across Oceans Be The Future?

Engineering with Rosie Barnes explains HVDC and underground and undersea cables. Including the Xlink from Morocco to the UK, Basslink Tasmania to Australia, and the longest, Australia to Singapore. She believes that all the continents will be linked. Says there are plans for undersea HVDC cables between the UK and Newfoundland. It’s a 13.5 min

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2023-10-22 Do-it-yourself Power Strips – True Story

We used similar “homemade” outlets on extension cords – we must’ve had more than a hundred around campus. But the fire inspectors wrote us up for using them in permanent locations under desks. We had to change them to commercial power strips. But I set up a temporary registration and add/drop classes area every semester,

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2023-06-24 Never Defeat The Fuse! Or Fusible Link

I saw that meme where some clown replaced the 30 amp fuse in his car with a live .22 long rifle cartridge. That was a disaster waiting to happen! This is a true story – mid 1970s. My neighbor bought his wife a new sleek red Trans Am, and really loved how fast it could

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2021-12-21 RS-232 Sharing Box, RS-485, Poll-Select, Etc.

I had hundreds of CRT terminals around campus, connected to 16 RS-232 ports on the mainframe computer, back in the ’80s and ’90s. The protocol was Burroughs poll-select. Each of a dozen or so terminals was given its own address by dip switch. They were all running at 9600 bps over telephone lines driven by

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2020-10-21 Wiring Harnesses And Automation

I worked at a company that built automated test equipment for assembling cables and wiring harnesses. During the year I was there they sent reps to Detroit to help GM build wiring harnesses for Buicks. This was in 1980 and GM was using relays to implement the logic system to assure that the wiring harness

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2020-01-02 Coax Cable and Crimp-On Connectors

FB comment Years ago at work (community college) we had an IBM mainframe and the terminals were connected with coax cables. We also had thin Ethernet cabling. I had the proper connectors and thousand foot boxes of coax, and most importantly the proper stripping and crimping tools. I installed hundreds of coaxes, and I was

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