Re: Home network
There is a major issue to be aware of with Powerline Network Adapters.
First, you must understand that in typical residential wiring in North America, there are two "legs" to the electrical service. The voltage between each leg and ground is nominally 120V; from leg to leg it is 240V. (The voltage is irrelevant to Powerline networking, but it helps to understand what I am about to explain.)
Only certain large appliances are 240V -- they connect to both legs. Lights and outlets are 120V -- they may be connected one of the 120V legs or the other.
When installing Powerline Network Adapters (PNAs), the sending and receiving units must be connected to the same leg of electric service. If they are on different legs, the signal must pass through the utility transformer which will degrade the signal below the point of usability. Ideally you would install the units on the same branch circuit (same breaker or fuse) -- this will give the best performance.
There are a couple of ways to determine which legs your desired outlets are on.
The first way is to determine which breakers the desired outlets are on. Then carefully open the electrical panel and check to see if the breakers are connected to the same busbar. If so, it should work. If not, select a different circuit if possible. (Be careful; don't touch any internal components of the panel unless you have turned the main breaker off. Don't touch the screw terminals on the incoming wire, ever.)
The other way is to run an extension cord from one outlet over to nearby another outlet. Using a neon circuit tester (not the plugin kind, but the kind with two leads), plug one lead into the narrow slot of one outlet, and the other lead into the narrow slot of another outlet. If the tester lights, the outlets are on different legs and are not a suitable pair for the PNAs. If the tester does not light, there's a good chance that the outlets are suitable.
There are other factors that could make the outlets you select unsuitable for PNAs, but that's beyond the scope of this discussion.
The "Senior Member" designation under my name doesn't mean I know a lot, it just means I talk a lot.I've been a DIYer since I was 12 (thanks, Dad!). I have read several books on various home improvement topics. I do not have any current code books I can refer to. I was an apprentice plumber for two years.