No, that's not normal, for the opener to open on power up, we have had=20
many outages, or even if I unplug the opener when servicing (for=20
safety), and plug it back in, there is no action. The point here, is=20
this is not only my house, but many others, where doors opened and=20
lights went on, and this had not been common previously. I do have=20
several lights controlled by X-10, they were not affected. I should also=20
note, that on this electric power branch from the substation, which=20
includes a loop that we are connected, the common connection is a single=20
2 wire primary > 120/240 volt AC 1 phase 3 wire + ground.

Note that the open door, is dangerous with respect to intruders and=20
theft. Many have expensive tools/toys in their garage. Also it is common=20
for the garage to house door unlocked, with the locked doors only those=20
facing the outside.

On 2/21/2011 9:20 AM, alan.b.pearce@stfc.ac.uk wrote:
>> Several months ago, our power supplier in our semi-rural Northern Ohio
>> area went partial smart grid. We have the remote metering, but they did
>> not install the equipment to control our equipment. Recently we had a
>> brief outage due to a car colliding with a utility pole a mile away at 4
>> AM, on our loop (5 miles) that is 3 miles from the substation. Weather
>> not a factor. When I went out to get the paper at 7 AM, I found our
>> garage door open. It has RF remotes. There were reports of many other
>> garage doors open and lights on that was noticed by the paper carrier on
>> a motor route. Our remote is an older generation, maybe 15 years of age.
>>
>> I have reported the situation to our small rural electric supplier,
>> which claims nothing on their part could be cause. I have asked them to
>> research further. Does anyone have an explanation?  :~)
>>     =20
> Sounds to me like you have a garage door opener that opens the door on po=
wer up, i.e. when the power company restored the power.
>   =20
--=20
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