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| Household Electrical. Dryer Circuit problems, help me brainstorm. |
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| lilshawn:
that's the problem with high voltage and high amperage loads. it can read okay with a voltmeter and it's couple of microamps of draw for the test, but completely fail under load when you plug in your high draw device. you can get 10/4 by the foot at the hardware or electrical supply store. if it's over say... 100 feet go with bigger 8/4 cable. electrical is easier than it sounds. just make sure the power is off before you futz with it. (standard death disclaimer applies) i would go ahead and just do a run from the panel to the dryer box and not do a patch like you had. |
| harveybirdman:
Well it was hell under the house and my knees are beat to ---steaming pile of meadow muffin--- but I went with a new run of 10/3. As it turns out it appears corrosion from exposure to water under the bathroom over time was the likely culprit. I will probably finish up tomorrow, hopefully it works with no issues. |
| lilshawn:
--- Quote from: harveybirdman on September 11, 2016, 02:23:19 am ---I went with a new run of 10/3. --- End quote --- is this an older ungrounded dryer with a 3 pronger ccord on it? or is this one of those cables that don't mark the bare ground as a conductor? (has red white black barecopper) not joshing you on your choice of cable, just wondering how it's set up. used 10/4 cable with red black white green conductors. |
| harveybirdman:
10/3 has four wires (I guess the naming convention doesn't take the ground into consideration) Red = hot Black = hot White = neutral (shielded all the way back to bus) Bare wire = ground. But yes it's a three prong old style dryer. The ground terminates at a screw on the plate of the 220 recep at one end and the ground bus on the other. I'm pretty sure it's up to code and would work for a newer dryer with four prongs, I'd just have to connect the ground to the ground terminal on one of those. |
| lilshawn:
--- Quote from: harveybirdman on September 12, 2016, 11:45:31 am ---10/3 has four wires (I guess the naming convention doesn't take the ground into consideration) Red = hot Black = hot White = neutral (shielded all the way back to bus) Bare wire = ground. But yes it's a three prong old style dryer. The ground terminates at a screw on the plate of the 220 recep at one end and the ground bus on the other. I'm pretty sure it's up to code and would work for a newer dryer with four prongs, I'd just have to connect the ground to the ground terminal on one of those. --- End quote --- yeah, no worries. Electrical wiring is such a mish mash of old ways of doing things for the old electrical workers to easily ID the wire they need but new ways to be NEMA code complaint across the board. |
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