Re: "Preferred" x10 Addrresses?

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"Mark Thomas" <mrt@xxxxxxxxxxxxxx> writes:

> Dave Houston wrote:
> > The advice to avoid "A" is based on the assumption
> > that neighbors sharing the distribution transformer may also use X-10 and
> > that they will likely use "A".
>
> Or to catch modules that have somehow reset to factory defaults!
> (...ahem SwitchLinc...)
>
> Personally, I leave A1 and P16 clear so that I can do testing of a
> newly installed device before assigning it a permanent address. (P16 is
> the factory default for PCS)

Housecode "M" is all inputs open on the X10 stuff and is what you get when the
codewheel has problems (or falls out after disassembly).  I have had some
modules with bad codewheels that intermittently revert to housecode "M", so I
avoid that housecode now in addition to the ones above.