Why Your 115v 20 Amp Plug Needs a Special Outlet
If you just bought a heavy-duty air conditioner or a beefy air compressor and realized the 115v 20 amp plug doesn't fit into your regular wall outlet, don't reach for the pliers or a hammer just yet. That sideways prong isn't a manufacturing mistake; it's actually a safety feature designed to keep you from melting your wires or tripping a breaker every five minutes. Most of us are used to the standard two-parallel-prongs-plus-a-ground setup, but once you step up to high-draw appliances, the hardware changes. ...