Selecting a Filter
Question
How can I tell which X10 noise blocking or filtering product is right for my application?
Answer
Warning
Installation of any wired-in filters -- all but the XPPF below -- requires the assistance of an electrician.
XPPF
The XPPF plug-in filter blocks noise generated from the power supply of an electronic device. Use it when you have isolated a device that causes X10 problems when plugged in. If other X10 modules work better when a given device is unplugged (or just turned off) then the XPPF filter should help. It can handle up to 5 amps.
XPF
The XPF does the same basic job as the XPPF, but it is wired in instead of plugging in. It is installed between the "hot" power wire and the noise source. The XPF requires a neutral wire connection; it can handle up to 20 amps. It can also be installed at the breaker box on a 15A or 20A breaker. In this setup, it will prevent any X10 commands or line noise from entering or leaving that breaker.
XPNR
The XPNR Wire-In Noise Reducer is designed to reduce electrical noise (on power wires) generated from the power supply of an electronic device. The XPNR is typically a last effort to reduce line noise above and below the X10 120KHz operating Frequency. Properly filtering the offending device with an XPPF Plug-in Filter or the XPF Wire-in Filter should be your first solution. Use the XPNR in situations when intermittent or hard to filter noise interferes with the proper operation of the X10 PRO system. Make sure the XPNR is wired close to the offending device, or as close to the X10 Module being interfered with.
Note: The XPNR is a second line filter used only after trying the XPPF or XPF Filter(s) first. It can be wired across a 120V load or a 240V load. It can be used in any combination with the XPPF or XPF Filter(s) in hard-to-find noise environments.
PZZ01
The PZZ01 blocking coupler is only used when you are getting noise or false signals from a source external to your house. This is a quite rare problem.
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