Re: Insteon with 400amp service (2 panels)

[nobody@xxxxxxxxxxxx (Dave Houston)]

If you have an AC voltmeter, hot-to-hot (small) will measure 120V when
they're on the same phase and 240V when they are on opposite phases.

Someone <nospam@xxxxxxxxxxx> wrote:

>Aargh! This is making me a bit crazy. :(.
>
>Seriously, I appreciate all of the input. At least it's telling me
>that I should keep trying and it might take a while.
>
>Can I determine the phases in my panels from manufacturer info or is
>it dependent on how the electrician set things up?
>
> - Leon
>
>On Mon, 16 Jan 2006 12:21:41 -0600, none <none@xxxxxxxx> wrote:
>
>>Lewis Gardner wrote:
>>>
>>>> I've assumed that breakers on one side of the box
>>>> are on the same phase.
>>>
>>> It depends on the box.
>>>
>>> Most boxes alternate "phase" on each side so a double pole breaker
>>> (220v) terminals are next to each other.
>>>
>>> ASCII art of common "phase" layout in breaker box.
>>> A and B are the "phases".
>>>
>>> A  A
>>> B  B
>>> A  A
>>> B  B
>>> A  A
>>
>>In my electrical box it's slightly different (Federal Pioneer 100Amp
>>service box).
>>
>>It's:
>>
>>A  A
>>A  A
>>B  B
>>B  B
>>A  A
>>A  A
>>B  B
>>B  B
>>etc.
>>
>>Trash