Graybar Blogs


  • Five Dimming Pitfalls to Avoid

    We recently replaced two incandescent can lights in our bathroom with some LED retrofit cans. While the upgraded lighting looks beautiful, the controls are causing an ongoing headache. Read more.


  • 2015 – The International Year of Light

    Have you heard? The United Nations General Assembly proclaimed 2015 The International Year of Light and Light-based Technologies (IYL 2015).


  • Adjusting Color Temperature with LED

    Don’t you just love that soft, warm glow of firelight? Or how about the dim, warm ambiance of a nice restaurant when you’re celebrating a special anniversary? It’s so important to us that now we’ve convinced our solid-state lighting manufacturers to mimicking this incandescent lighting property in the LED lighting that they make. Read more.


  • Utility Rebates: Lighting and Controls

    Remember when you were a cute little kid and if you were just a bit short of money for your purchase at the store, your mom or your grandpa or your big sister came through and bailed you out so that you could get that thing that you wanted? Yeah, wouldn’t it be nice if Grandpa would help pay for your lighting projects today?


  • Eaton: Encounter and SkyRidge Product Expansion

    Eaton’s Cooper Lighting business has announced the release of an optical integrated sensor system for the Metalux Encounter and SkyRidge luminaires with Wavestream LED technology. The luminaire-integrated sensor control system from Eaton’s Cooper Lighting business reduces the design time and complexity of meeting energy codes for both lighting and controls. Read more.


  • OLED

    What is OLED technology? It has been used in phones since as far back as 2001, and now it is becoming a popular TV flat screen option. What does it have to do with lighting? It very well could become the next great diffuse ambient light source. Read more.


  • Daylight Harvesting

    While my grandparents might not recognize the work I do in lighting as anything remotely close to the farming that they did, I like to think I’m returning to my practical, sensible roots when I employ daylight harvesting on my lighting projects. Read more.


  • LED Lamps are "Easily Dimmable"

    Everyone is crazy excited about LED lamps these days, and one of the reasons is because they are “easily dimmed.” I have two questions about that phrase: What does dimmed mean, and what does easily mean? Read more.


  • Data Logger Monitoring System by Sensor Switch

    The Data Logger Monitoring System is a tool developed by Sensor Switch® to enable performance contractors, lighting retrofitters and facility managers to calculate the potential return on investment (ROI) and payback from an occupancy sensor project. Read more.


  • Acuity Brands Wireless Lighting Controls

    Acuity Controls introduces the new wireless occupancy sensor and switch that are simple to install for significant energy savings! Using RDT™ Wireless technology, these Sensor Switch® sensors communicate with compatible electronic switches to turn lighting loads off once a space becomes vacant. Read more.



Welcome to the Graybar solar blog. We are looking forward to posting useful, timely information about solar energy; technologies, markets, policies, trends and any other interesting items that come to our attention. We hope you find the information here useful and enjoyable.

  • How Solar Works

    There are four basic components of a simple grid-tied solar array. The first component is the solar panel itself. Panels are usually wired through a combiner box and that wiring is then sent down to an inverter. The panels are held in place by racking. Read more.


  • Solar Energy and Storage

    While the prospect of selling excess back to the grid is attractive in theory, it basically limits the way an array is utilized since in a purely grid-tied situation, when the grid goes down, the solar array stops producing. Read more.


  • 10 Fun Facts about Solar Energy

    When we all talk about solar energy as a solid renewable energy solution, we quote a lot of figures, a lot of specifications and a ton of data. Here’s some non- technical interesting and fun facts about solar energy that aren’t necessarily common knowledge. Read more.


  • The Import Tariff and the U.S. Solar Industry

    For quite some time now, we’ve heard talk about the upcoming import tariff on Chinese-made solar panels being the “right thing” to do to support the U.S. job market. While in theory the ideal of limiting any product that floods the U.S. market taking away manufacturing jobs from U.S. companies is generally sound, this particular line of thinking doesn’t hold muster when applied to the U.S. solar industry. Read more.


  • A New Road for Solar

    There are those that think within the box, those that think outside the box and those that choose to throw the box away entirely. Such is the case with some recent conceptual thinking utilizing solar. Read more.


  • The United States and the Solar Industry

    2013 was another record year for the U.S. Solar Industry. There were 4,751 MW of new photovoltaic capacity installed ins 2013, representing a 41 percent increase in deployments over installation levels in 2012. Read more.


  • Solar Power and the Workforce

    When you talk to most people about the Solar Industry and the impact it has on America, you’ll probably get answers spanning the gamut from end user offsets of grid power to White House initiatives for Solar Energy. What you probably won’t hear is the effect that the solar industry has on the workforce in America. Read more.


  • Public Energy Policy Sets the Stage

    The three necessary components for renewable energy success, innovative technology, reliable financial tools and sound public policy, have been written about quite a bit by me and others. Technological innovation continues, adhering nicely to Moore’s Law, and better financial tools are providing new ways to pay for projects and capitalize companies. Today, let’s look at a public policy success, or at least what appears to be a success. Read more.


  • Energy Storage: The Next Big Deal Part 2

    We recently looked at advances in energy storage technology which are approaching commercialization, moving from the lab to the marketplace. These developments are accelerating the adoption of storage for electricity produced using variable renewable sources, a long-sought-after grail in renewable energy. Now let’s look at some policy and market trends that are also helping catalyze that commercialization. Read more.


  • Energy Storage: The Next Big Deal

    The most exciting segment of the renewable energy industry in early 2014 is energy storage. Technological advances, driven by market demand and catalyzed by public policy, are poised to bring an array of better, cheaper energy storage solutions very soon. There are indicators all around that we are at a tipping point in energy storage. Read more.


What's New

  • E Series LED Recessed Module from Lithonia Lighting

    Available in 4" and a flexible 5" & 6" size, the E Series LED Recessed Module from Lithonia Lighting® combines dependable performance and low cost with the virtually maintenance-free, energy-saving benefits of 35,000 hour-life LED. Read more.


  • Trade up and get up to $4,520 Cash Back with Fluke Networks!

    Don’t throw away your old tester. Trade it in for cash when you upgrade to a Fluke Networks Versiv™ OptiFiber® Pro Quad OTDR or CertiFiber® Pro Quad OLTS by March 31, 2015. Fluke Networks will pay you $2,000 for your qualifying (SM+MM) OLTS or OTDR trade in, and an additional $250 when you purchase a GOLD support contract.


  • Transforming Your Infrastructure into a Utility-Grade Network

    Is your network ready and are you prepared for the Internet of Everything? This G2 Talk webinar will help you outline a migration path to a utility-grade infrastructure to support the network of the future. Sign up for the webinar.


  • New Year, New Graybar Deals

    New items have been added to Graybar Deals, including products from Fluke, Arecont Vision, Lithonia Lighting and more.


  • The Future of Structured Cabling Systems

    Understanding the impact of wireless technologies, fiber and other competing solutions will be critical as we all determine how to best serve the needs of the structured cable market in the future. Join us to learn about the insights we have gathered.


  • Reclaim Underutilized Cooling Capacity and Reduce Energy Expenses with Panduit’s Universal Aisle Containment

    The new Net-Contain™ Universal Aisle Containment System allows users to design with flexibility. This system integrates with different sizes of Panduit or other manufacturer’s cabinets. Read more.


  • General Cable Upgrades Interactive Catalog Site and Offers New Mobile App

    With their new site, General Cable now offers an app for download on the App Store or the Play Store for use on mobile devices or tablets, making their online catalog tool available at your fingertips anytime, or offline! Read more.


  • Eaton: Encounter and SkyRidge Product Expansion

    Eaton’s Cooper Lighting business has announced the release of an optical integrated sensor system for the Metalux Encounter and SkyRidge luminaires with Wavestream LED technology. The luminaire-integrated sensor control system from Eaton’s Cooper Lighting business reduces the design time and complexity of meeting energy codes for both lighting and controls. Read more.


  • How to Build a Data Center Aisle Containment without Replacing Cabinets

    Research suggests that most data centers use an average of four times the power for cooling than the IT load requires. With power requirements only going up; by some estimates, 30 to 50 percent of data centers will run out of power and cooling within the next year. Learn how to make the most of the power already being supplied to your data center with solutions that optimize airflow, reduce operating costs and eliminate the need to purchase additional CRAC units.


  • T8 Before It's Too Late

    Federal legislation effective July 14, 2014, ends the manufacturing of T8 linear fluorescent lamps. But your chance to capitalize on remaining inventory is just beginning! There are attractive T8 options to consider, but you need to act fast while supplies last.