5AMP blocking filters are getting more and more common as low cost non approved devices are entering the market. Most common is the computer, then the tv, ups's and so on. In reality, we by definition do not need these devices, as it implies some device is not up to spec such that X10 does work. Anyhow, if your system worked and then stops starts. you could have noise, unplug anything you suspect, or is new to the environment. If its rated over 5A, use the 10A.Pricing:
1-6 7+
$C 26.94 26.71
$US 26.94 26.71
EURO 19.13 18.96
