Installing Timer on existing 3 black wire switch

Reply

  #1  
Old 10-06-20, 01:37 PM
A
Member
Thread Starter
Join Date: Oct 2020
Posts: 2
Received 0 Votes on 0 Posts
Installing Timer on existing 3 black wire switch

I've just installed a Leviton vizia timer on one of my light switches. Super easy install in a two switch box - it had the hot, ground and neutral already pigtailed inside the box with another switch so everything was straightforward.
.
In a different 2 switch box, I want to do the same thing. When I opened it up, there are only 3 black wires connected to the switch - one hot plugged into the back (top location), another black attached to the corresponding top copper screw, and another black plugged into the back (bottom location).


There are no neutral or ground wires attached, but there's pigtails of neutrals and grounds connected in the box. Also, the 2nd switch in the box doesn't have any wires pigtailed to the switch I'm trying to replace and all are going to their own romex cables.


How can I wire this to a Leviton vizia timer switch?

Hot to black - I'm assuming I connect the hot wire (but what about the corresponding black wire that was screwed next to it?)
White to neutral - do I just connect to the existing neutral pigtail?
Green to ground - do I just connect to the existing ground pigtail?
Red to load - I'm assuming I just connect the previous load (plugged into the back/bottom location of the switch)



Thanks in advance!
 

Last edited by PJmax; 10-06-20 at 06:43 PM. Reason: labeled picture
  #2  
Old 10-06-20, 06:45 PM
PJmax's Avatar
Group Moderator
Join Date: Oct 2012
Location: Northern NJ - USA
Posts: 60,884
Received 1,342 Votes on 1,240 Posts
Welcome to the forums.

I labeled your picture.
Those two black wires get connected together and they are treated as both hot.
The bottom black wire is labeled load and goes to red.
The white wire connects to the neutral splice.
The green wire connects to the ground splice.

The right hand switch looks to be a three way switch.
 
  #3  
Old 10-07-20, 12:48 AM
A
Member
Thread Starter
Join Date: Oct 2020
Posts: 2
Received 0 Votes on 0 Posts
That's super clear, thank you!
 
 

Thread Tools
Search this Thread
 
Ask a Question
Question Title:
Description:
Your question will be posted in: