Frequently Asked Questions

Plum FAQ

  • What kind of lights do you dim?

    The Plum Lightpad Smart Dimmer will dim the following types of lights:

    • Incandescent (including halogen)
    • Dimmable LED
    • Dimmable CFL
    • Magnetic Low voltage
  • What size is your dimmer?

    The Plum Lightpad Smart Dimmer fits into a standard single gang will box. It fits anywhere a standard dimmer will fit. It will also fit into multi-gang boxes alongside other Plum Lightpads or other switches or dimmers.

  • Will it control a fan?

    The Plum Lightpad Smart Dimmer can turn a fan on or off when it is set in switch mode using the mobile app. The Plum Lightpad Smart Dimmer is NOT made to control the speed of a fan.

  • Will it act as a switch for non-dimmable bulbs

    Yes, the Plum Lightpad Smart Dimmer can be set as a switch to control non-dimmable bulbs or loads. When in switch mode, all functionality is retained other than the ability to dim.

  • Does it have timer functions?

    Yes, you can set timer functions for single lights, groups of lights or scenes with a variety of dim levels. The timer can be set to clock time or to sun time (relative to dusk/dawn). We use your postal code to determine the daily sunrise and sunset times.

  • Can it work in a multi-way (3-way, 4-way etc) switch leg?

    Yes, the Plum Lightpad Smart Dimmer works in any multi-way switch leg. A multi-way switch leg is one where more than one switch controls the same light. These are frequently found at the top and bottom of a set of stairs or on multiple entrances to the same room.

  • Does it require a connection to the Plum cloud to operate?

    The Plum Lightpad Smart Dimmer has a free cloud service which allows you to control your lights when you are away from home and also to see information about your lights (which ones are on or off, how much power then are using or have used etc). The cloud is not required for your dimmers to operate. If you choose to disconnect from the cloud, you can still control your lightpads when you are on the same Wi-Fi network. Some functionality will be limited if you choose to disconnect from the cloud.

  • What if my internet goes down?

    If your internet connection is lost, you will still be able to control your lights from the smart phone while your smartphone is local Wi-Fi network. Scenes and schedules will continue to operate normally. When the internet connection returns, the Lightpads will automatically reconnect to the Plum cloud.

  • What if my Wi-Fi goes down?

    If your home Wi-Fi goes down you will still be able to control lights from the Lightpad itself. However, without Wi-Fi, you cannot control the lights from your smartphone. When Wi-Fi connectivity is restored, the Lightpads will automatically reconnect to your Wi-Fi network and the Plum cloud.

  • Do you have an international version?

    We do plan to launch international versions of the Plum Lightpad Smart Dimmer. First, we are focusing on our North America version. We’ve already comprehended worldwide voltages, so our major tasks are to create a new mechanical design appropriate for different countries and then get agency approval.

  • What is the maximum wattage?

    The Plum Lightpad Smart Dimmer will handle up to 400W for an incandescent load and up to 150W for an LED load.

  • Can this work with other z-wave or zigbee devices?

    The Plum Lightpad Smart Dimmer connects over WiFi directly to your wireless access point without the need for gateways or hubs. We chose this method for communication instead of the more complicated Zigbee or Zwave interface.

  • Can this work with my existing home automation platform?

    Plum will publish an open API that programmers can use to integrate the Plum Lightpad with other home automation platforms.

  • Do you work with Smartthings or other 3rd party hubs?

    Plum plans to integrate directly with certain 3rd party platforms. In the meantime, Plum will publish an open API that programmers can use to integrate the Plum Lightpad with other home automation platforms.

  • How do you connect the dimmers to your Wi-Fi network?

    It’s simple! After you install the Plum Lightpad Smart Dimmer, you launch the app and it connects to the Lightpad via Bluetooth. You enter your Wi-Fi information one time and the Lightpad joins your Wi-Fi network.

  • Can you control higher load devices like AC units, water heaters and more?

    The Plum Lightpad Smart Dimmer can switch appliances on and off. These devices must not exceed 3.33A of current draw. Devices such as AC units and water heaters (as well as irons, hair dryers, curling irons etc) draw much more than this.)

  • Does your app cost money?

    The Plum smart phone app is free.

  • Is there a monthly service charge?

    There is no monthly fee associated with the Plum Lightpad or any of it’s services or functions.

  • Will this work in 2-wire and 3-wire homes?

    The Plum Lightpad Smart Dimmer requires a neutral wire. Our research shows that 90% of homes in the US have a Neutral wire run to the switch box.

  • What if my dimmable LEDs flicker when they are dimmed low?

    The Plum mobile app allows you to set a minimum dim level for any light. For lights that flicker and a certain dim level, you can simply prevent the dimmer from going this low using the app.

  • Is there an Android or Windows phone version of the app?

    Plum is launching first with iOS and then moving to Android.

  • Is there a web application to control the Plum Lightpad?

    The web application to control the Plum Lightpad is in development.

  • What WiFi security is supported?

    Plum recommends you always protect your WiFi network with proper security. Plum supports networks configured with WEP, WPA and WPA2 security.

  • What kind of faceplate works with this dimmer?

    The Plum Lightpad Smart Dimmer works with standard “decora” faceplates. These faceplates can be purchased in multiple colors at any hardware store or online.

  • Will you have an open API?

    Yes, Plum will publish an open API to control the Plum Lightpad.

  • Do you have an accessory dimmer or slave dimmer for 3-way switch legs?

    To control both sides of a 3-way switch, you need two Plum Lightpad Smart Dimmers.

  • My back boxes are metal and/or my faceplate is metal, will this affect the WiFi reception?

    Plum has located the Wi-Fi antenna in the faceplate opening. The Plum Lightpad has been tested with metal boxes and metal faceplates.

  • Will this work in my country?

    Plum plans to create international versions of the Plum Lightpad. The current version is spec’d to work in the US, Canada and Mexico.

  • Is the Plum Lightpad backlit so I can find it in a dark hallway?

    Yes, the Plum Lightpad Smart Dimmer has a glow ring that surrounds the multi-touch surface. As you approach the dimmer, it will glow (in a user selectable color) so that you can easily find it in the dark. Plus, it’s really cool.

  • How can I clean this product? What if my kids have messy hands?

    Kids with messy hands? The Plum Lightpad is easy to wash off with a soft cloth and mild cleaning agent.

  • Will you have an ipad or tablet version of the app?

    Tablet versions of the app are planned on the roadmap.