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Older style wires and cables are not as safe as the current types used for house wiring.
For example, older insulation becomes brittle with age and can break when the wire is moved. Newer wiring is a lot more flexible and can handle age much better than the old insulation.
Newer wiring specifications require that all circuits include a connection to ground, older outlets do not have that requirement. Newer outlets are far safer, not just because of the ground wire but because of the plug polarity that has been introduced to the newer standard.
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Can you safely install 3 prong plugs with old knob and tube wiring?
Install an AFCI breaker on the circuit with the outlets you replace and you will be fine.
In replacing a wall switch which runs to three switched outlets - Original switch 20 yrs old appears to be standard single pole - Now switch does not turn outlets off Any ideas what is wrong?
If the switch is ALL you replaced, and if you hooked everything up EXACTLY like it was before, then it SHOULD work. Therefore, I suspect you got something wrong. How many screws are there for wire connections on the new switch? On the old switch? A single pole switch will have only 3 connection screws (counting the ground connection), while a 3-way switch will have 4 connection screws. (Also, a single-pole switch will have labels for "On" and "Off", while a 3-way switch will not have these labels.) Did you replace one or more of the three outlets? Did you wire the new outlets EXACTLY like the old ones were wired? Dig the old outlets out of your trash can and look closely at them. There should be a little metal tab connecting the two screw plates on each side of the outlet. Has this tab been broken off on either side of the old outlets? Is there a red wire anywhere in this circuit, and if so, how is it connected at the switch and at the outlets? Did you put any other devices on this circuit? If so, how are they connected? Something is not exactly the same as it was before. And I can't help you until you tell me what that is.
What is the Abbreviation for old electrical cgs unit superseded by si?
emu
When would you want to upgrade the main electrical panel vs just adding a sub-panel?
Depending on how many breakers you have in your exisiting panel if you only have a old 6 or 8 circuit panel then I would suggest a new panel, In the newer building world where you have a 20 or 30 circuit panel then I would suggest a sub panel.
Can you convert an old 15 amp 125 volt electrical outlet to a household electrical outlet?
A 15 amp 125 volt outlet is a household outlet.
