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how many people use both COM posts when two are provided?

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SpritzCan

Starting Member

Posts: 1

1

Saturday, April 21st 2012, 8:33pm

how many people use both COM posts when two are provided?

I am building my own irrigation controller for 12 zones, and I am wondering if I should have two COM positions or if one if enough. Any feeback would be appreciated. Thanks!

hi.todd

Supreme Member

Posts: 417

Location: Houston, Texas

2

Sunday, April 22nd 2012, 9:49am

This is if your have one common for the front yard and one for the front, or if you don't want to make a splice in the field before the timer. This is a convenient option, but most people don't over think it. It is a wire option that is nice because some times the wire is heavy gauge and you can't put 2 commons on the terminal strip because your wire is too thick.

If you are residential install, do what is convenient. But pay attention to wire sizing charts!!

Thanks

:thumbup:
:thumbup: :thumbsup:

GatorGuy

Moderator

Posts: 458

3

Monday, April 23rd 2012, 8:47am

Todd's got it.

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