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The NEC has been around a very long time.
They try to cover everything that can happen or has happened no matter how unlikely.
As I have said, I'm not a code guy. Guys that do new installations are the ones that are usually on top of that.
I am more of a maintenance type Electrician and became...
Vacuum pumps and recovery machines.... off the top of my head.
The lack of 110v receptacles was addressed in the NEC a few years ago....that only helps going forward.
Older installations you do whatever it takes to get the job done.
If it's a residential site, running a cord is an option.
If...
Just because you can do it doesn't mean you should do it.
Introducing voltage/current on the grounding wire is not a good idea.
HVAC techs do that as a very temporary solution.... not a full time thing.
The way it is now, there is a slight change that the dryer case could become energized.
You could take the top off the dryer and see if the white wire is connected to anything.
That would be a cheap and easy first step.
It would be better to have a separate grounding wire.
The washing machine...
I assume you are concerned about where the grounded and grounding conductors are bonded.
They still end up the same.
Current will take the easiest path to ground.
I certainly did not cover every exact issue there may be.
As it is now, it's one conductor acting as grounded and grounding.
I...
How much money do you want to spend to fix it?
Using a white as a hot is acceptable as long as it's marked on each end.
Is the ground an insulated ( green ) wire?
You could use it as a white as long as it is marked on each end.
Ultimately, the white and green end up landing the same place in...