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3-way dimmer circuit, arrangements with multiple lights, wiring to control a receptacle and ceiling fan as well as troubleshooting tips It's common to describe household wall receptacles that are wired together using the device terminals as wired in series. But, in fact, all household receptacles are always wired in parallel, and never in series. In a series circuit, current must pas* through a load at each device. The load itself conducts current down the line to the subsequent loads in the circuit. A series circuit will drop (use) some voltage at each load until it dwindles to an insufficient level at some point down the If wall receptacle circuits operated like that, you wouldn't be able to plug an appliance in down stream from another appliance in the same circuit because the voltage wouldn't be sufficient to run it. And if the appliance in the first receptacle shorted out or failed in some other way, it would interrupt the current to the other outlets in the circuit. Household circuits don't operate like that, you have a consistent average of 120 volt at each receptacle, no matter how many loads you have on the circuit. By contrast, switches and circuit breakers are wired in series. Voltage pas*es through these devices in order to continue down the line. If an interruption occurs in a switch, there will be no electricity beyond that point. Spray foam insulation takes water from the surrounding air to cure. If the air is normally dry, the yield from a can of spray foam can be half of what it would be with sufficient moisture in the air. Even if your environment seems humid, you can still improve the results of using spray foam by misting a bit of water on all surfaces making contact prior to installation. In addition to the volume of product you get, the curing time and efficiency will be greatly improved by adding a little water to the situation. It doesn't take much added moisture so don't go overboard, just use a fine spray from a water bottle. When using spray foam in