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Thread: Some kits require a neutral wire, others don't?

  1. #1
    Junior Member
    Join Date
    Mar 2021

    Some kits require a neutral wire, others don't?

    Hi everyone. I'm a newbie here I don't own any of this equipment yet – I'm doing my research.In my initial reading and research about the system one of the benefits touted was that no neutral wire is required. However when I go to this page on the Lutron website... Several of the kits listed on the page above are clearly marked as "Neutral required".* This confuses me. Why do some kits say that and others don't? To add to my confusion when I click on the "where to buy" link, the resulting page on Amazon says "no neutral required."What's the deal? I have neutral wires in my house. But still, I'm unsure which one to buy. Is there some advantage to using a neutral wire if you have one? Or is the information on the website wrong and none of them require a neutral wire?Thank you in advance for helping clear this up for me!BenReston, VA

  2. #2
    Junior Member
    Join Date
    Feb 2020
    Switches in older homes commonly do not have a neutral in the box - requiring neutrals was a relatively recent code change.

    If you have a neutral available, always use it - long story short, it greatly increases the chances that everything will work as you intend. Caseta has options for both no-neutral and neutral-available switches. Again, if you have a neutral available, I highly encourage using a neutral-required switch.

  3. #3
    Junior Member
    Join Date
    Mar 2021
    Searching on Amazon I’m having a great deal of the of difficulty finding starter kits and light switches that require a neutral wire. In fact I can only find one dimmer switch that requires a neutral wire and it’s $120. That’s way too expensive considering how many lights which is I’m interested in. Should I be looking somewhere other than Amazon?

    I understand that you say things seem to work better with a neutral wire but could you elaborate on that? Are users who have light switches without a neutral wire experiencing problems? What sort of problems?

  4. #4
    Senior Member
    Join Date
    Jan 2019
    Dimmers without a neutral wire often have a higher minimum load, thus more likely to encounter issues. Neutral dimmers are technologically superior for a variety of reasons, so they often avoid the issues of poor dimming range, pop-on/off, and ghosting (where the light never totally shuts off) among others. They will be more expensive but they are worth it, especially if you have to throw away non neutral dimmers due to incompatibility.
    Evan Kirkhart- Home Electronics Solutions
    Santa Barbara, CA

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