If there's a fire, etc. and the investigation uncovers your home-brew cost-saving electrical work, your insurance company can simply deny your claim because you promised them you would never install electrical without a permit, licensed contractor and appropriate inspections.
Really? In countries where the base voltage, how many wires do they have? I would think a hot, a grounded, and a grounding. What would a "neutral" be used for?
Good point. We don't know what may be connected down the road, neitherdoes he. And, if the fire occurs to someone he sold the house to - guess who is liable for damages?
You are confusing physical and electrical "You only need 10/3 for something like a 4 prong dryer plug. " and practice with CODE.
The "GROUND (bare copper) is the mechanical ground. The White, neutral is the Electrical ground.
Remember, every electrical appliance or tool you purchase is designed and built upon the assumption that it will be powered up in an APPROVED MANNER that meets the Standard Electrical Code.
If you "fix" your wiring to do otherwise, none of the safety measures designed into the product may save your home or ass as intended.
And the manufacturer escapes all liability an your insurance is voided and your liability is (neighbor's house catches fire) is 100%.
If you've got 240V equipment with no 120V accessories, then there's no reason to have a neutral.
For a pure 240V load you have two hots and a grounding conductor (aka "ground"). No neutral is needed or required by code.
The only time you need a grounded conductor (aka "neutral") is when you have unbalanced loads on the two hots. This is only the case if you have a mix of 120/240V devices on that circuit.
This comes up about once a month, it seems, in alt.home.repair. So far, nobody has been able to substantiate an instance of this actually happening. Maybe you can be the first.
In any event, what he's proposing to do isn't hazardous in the least.
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