[Elecraft] Items you think you can depend on

[Mike Rhodes]

So what are people using to monitor their 120/240 mains? Just curious 
but wondering if this is something I should be doing.

Mike / W8DN

On 9/4/2017 1:32 PM, Mel Farrer via Elecraft wrote:
> Funny you posted this.
> I monitor BOTH sides of the 110/220 VAC service and have alarms set to trigger either line >125 or >250 VAC. Being in the country THINGS happen.
> Always expect the unusual.
> Mel, K6KBE
>
>
>        From: David Robertson <kd1na363 at gmail.com>
>   To: Elecraft <elecraft at mailman.qth.net>
>   Sent: Monday, September 4, 2017 9:39 AM
>   Subject: [Elecraft] Items you think you can depend on
>     
> Everyone,
>
>   Over time we can grow complacent on many service items such as electrical
> power, water and other services over time. Well that can be concerning as
> many hidden changes can result in damage to your home and equipment.
>
> Late late night I came in to my den and was closing down my ham station
> when I notice my fault light on my KPA500 linear was on. I powered it down
> and retired for the evening. This morning I powered up the linear (KPA500)
> and at once I got a fault light and had a high voltage alert. I powered
> down the linear and checked my input line voltage. It was 137 volts RMS! To
> be sure it wasn't my imagination I rechecked the voltage with a different
> meter with the same result. In checking the 220 volt outlet I measured 274
> volts! My linear is set up for 220 volts operation and it was getting over
> 90 volts HV.
>
> I alerted the neighbors and cut the main breaker to the house. I then
> called the power company's service number and reported the problem. A short
> time later they called me back and reported that a regulator in the local
> sub station had "Stuck" and was reset. In rechecking my line voltage it was
> 118 volts on the low side and 236 volts on the high side.
>
> In the 12 years we have been at this qth we found that our town's locally
> run power company has been very reliable but this experience showed me that
> it is not a bad idea to check your line voltage every once in a while.
> 73
>