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Insteon Switchlinc: How-to Install Without Neutral Wires E-mail
Written by Peter   

For many people, pulling off a light switch coverplate and seeing what's behind may be the most practical first step into home automation.  Determining if your house's switches contain a neutral wire or not can help direct which home automation solution will offer you the least headache down the road. 

Insteon 2-Wire Kit

In the case where the majority of switches in your home do contain a neutral wire but there are one or two that don't, Insteon is now just as capable as it's wireless peers due to the recently released 2-Wire Switchlinc.  In this step-by-step guide I'll show you how to install the module, using a recently completed installation in our living room as an example.

Complexity:
Moderate
Time:Approximately 35 minutes
Required:

-Insteon 2-Wire Kit
-7 Marrettes/Wire Nuts
-Flathead screwdriver
-Pliars to twist wires together
-Other screwdriver bits as necessary to remove fixture

 

Step 1:  Note the 6-digit IDs of both companion and fixture module.  Using a simple spreadsheet is a good way to keep track of your ID's for input into control devices (like Insteon software, the SmartLinc or the ISY-99i) for use later.  Determining the fixture module ID after installation is significantly more involved, so spend the 5 seconds copying them down now.  I've included a sample Excel spreadsheet here.

Sample Insteon Link Table


Step 2: 
Switch off the breaker for the light and switch in question.  Identify the switch-leg wire (see below diagram for help identifying the wire - mine was a white wire mixed in with the black hot wires) and connect to the fixture module white wire, light fixture white wire and the neutral wires using a marrette/wire nut.  You'll need a large marrette as there are a minimum of 4 wires going into this connection, possibly several more if other neutrals or fixture wires exist. 

2-Wire Insteon Kit Diagram


Step 3: 
Connect the black wire on the fixture module to the hot wire in the fixture box and the line wire running to the switch. 

2-Wire Insteon Fixture


Step 4: 
Connect the red wire on the fixture module to the light fixture black wire.

2-Wire Insteon Switch Loosely Installed


Step 5: 
Connect all the ground wires together (from the fixture module, any existing in the fixture box and any connected to the light fixture). 

2-Wire Installing Mount Plate


Step 6:
  Remove the existing switch and connect the former switch leg wire to the white neutral connection on the companion switch.

Step 7:  Connect the black wire on the companion switch to the hot wire.

Step 8: 
Connect the ground wire on the companion switch to a ground in the switch box.   

Step 9:  Place the switch wires and companion switch into the fixture box.

2-Wire Insteon Switch Installed


Step 10:
  Turn on the breaker and test.  If everything works, switch off the breaker and struggle to fit everything in the itty-bitty fixture box.  It will fit, but you may need to be creative. 

2-Wire Insteon Fixture Installed


Step 11:
Reattach the fixture and switch coverplate. 

2-Wire Insteon Final Installation


That's it!  It took me approximately 40 minutes, and that was including taking photos during the process.  Since the installation it has been working flawlessly, the only difference between it and a standard switch being the linking process (requires you to push the set button rather than the top paddle).  While I wouldn't want to go through this for a whole house (I'd opt for UPB or Z-Wave in the case of no neutrals anywhere) for one or two lights it really wasn't that bad.

No Neutral Wire Kit Insteon

 

 

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Bob  - Top Module   |January-28 02:38:34
Nice writeup. One question, will the module in the ceiling still be able to be
controlled by Indigo or the Isy-99? Or do you have to link them before putting
the fixture back together?
Peter   |February-19 06:15:18
You can control the module in the ceiling directly as long as you remember to
write down the address ahead of time. If not, you can always use software to
poll the switch (which is pre-linked) for established links and extract it that
way.
Joe  - Possible error on your diagram   |March-27 10:22:17
Dear Peter,
I believe there may be a minor error on your diagram. The wire from
the Breaker Panel to the switch in the "Before" diagram is labeled
"hot", but also labeled "white/neutral" at the switch. I
believe it should be labeled "black/hot" at the switch in the
"Before" diagram? I believe both wires entering/leaving the original
switch would have been black.

3.23 Copyright (C) 2007 Alain Georgette / Copyright (C) 2006 Frantisek Hliva. All rights reserved."