Timeline for Why AC socket polarity is important?
Current License: CC BY-SA 3.0
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| Jul 21, 2015 at 19:44 | comment | added | supercat | Safety regulations have long forbidden mains-powered devices from having exposed metal connected to either power lead. The only common exception is Edison-base light sockets, which are grandfathered for compatibility. Unscrewing a light bulb will often expose the metal base before disconnecting it from (what should be) the neutral. | |
| Jul 21, 2015 at 19:10 | history | answered | Eugene Sh. | CC BY-SA 3.0 |