Wrench Slip Arc, Lost ring finger |
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Wrench Slip Arc, Lost ring finger |
ctc911ctc |
Jan 31 2020, 10:28 AM
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#1
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Senior Member Group: Members Posts: 893 Joined: 9-June 18 From: boston Member No.: 22,206 Region Association: North East States |
Back in the 60s, my father took our car to a local mechanic who did not have a ring finger. Herb (my dad) explained that the mechanic most likely lost the finger working on a car with hot wires which heated his ring.
The image of a red-hot ring on my finger stayed with me. As a result, I ALWAYS take the battery out of the circuit AND take my ring (watch too) off when tooling around the car. I have been looking to install a quick battery disconnect and wondered why they are all on the negative side of the battery. On the EE (theory) side of the equation, this is not as logical as the positive (not to open a can of worms) but on the practical side, I did not know why. Dug around for a while until I found the reason buried in a very weird board about ATVs. The writer's referenced "Wrench Slip Arc" as why you disconnect the negative. For no other reason than you want to wrench the POSITIVE first so if you slip the wrench you are not then holding a filament. To me, this was an epiphany and decided to share this matter of safety. Please forgive me if this topic has been explored to exhaustion in your respective spheres. CTC911CTC |
Mikey914 |
Dec 18 2020, 06:58 PM
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#2
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The rubber man Group: Members Posts: 12,678 Joined: 27-December 04 From: Hillsboro, OR Member No.: 3,348 Region Association: None |
I also learded to take my ring off. I slipped wrench tightening a nut on my 951 head and caught a stud. Really hurt, and started swelling right away. I had a tin snip, and cut the simple gold band fairly easily. I figured I could do it or pay a doctor to so just did it. Since then my wife bought me a tungsten ring, so I just take it off now.
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fiacra |
Dec 19 2020, 11:03 AM
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#3
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Person.Woman.Man.Camera.TV Group: Members Posts: 344 Joined: 1-March 19 From: East Bay Region - California Member No.: 22,920 Region Association: Northern California |
I also learded to take my ring off. I slipped wrench tightening a nut on my 951 head and caught a stud. Really hurt, and started swelling right away. I had a tin snip, and cut the simple gold band fairly easily. I figured I could do it or pay a doctor to so just did it. Since then my wife bought me a tungsten ring, so I just take it off now. I've lost count, but I've taken somewhere around 50-100 rings off injured hands/fingers over my career. There are nice techniques for getting a ring off without cutting it. I'm sure you can find a youtube video where you use dental floss, but I use a length of suture silk. Just remember if you have a hand or upper extremity injury to get your rings off right away because once your fingers start to swell you have a whole new problem. If you must wear a ring, make sure it can be taken off with ease. If not, get it resized. Our finger joints enlarge with age and if you never remove your ring you might find someday years after your first put it on that even though it feels loose on your finger that you can't get it off over the knuckle. Some jewelers will cut rings off for you, but you can also get a ring cutter easily and cheaply online. Bottom line....I recommend people never wear rings on their fingers, but if you do please take them off when you are working with your hands, have an awareness that you need to get them off right away if you injury your upper extremity (as an example a shoulder injury can cause delayed hand swelling), and make sure they can come off your finger if you haven't taken them off in a long time. |
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