--- title: Regency Insights Blog | Expertise and Education in Commercial Lighting | Energy Code & Restrictions description: Energy Code & Restrictions | The Regency Insights Blog is managed by Regency Supply, a commercial lighting and electrical distributor with distribution centers across the United States. --- - [Corporate](https://www.regencysupply.com/) - [Shop](https://shop.regencysupply.com/) - [Studio](https://rl.studio/) [Login/Signup](https://shop.regencysupply.com/b2b/portal/login/) [![Regency Supply Logo](https://regencysupply.com/wp-content/uploads/rs-logo-r-2.svg)](https://regencysupply.com/) Menu - [Search Site](https://www.regencysupply.com/searching/) - [Shop Products](https://shop.regencysupply.com/) - [Services](https://www.regencysupply.com/services/) - [Architectural Lighting Design](https://www.regencysupply.com/services/architectural-lighting-design/) - [Lighting Supply](https://www.regencysupply.com/services/lighting-supply/) - [Electrical Supply](https://www.regencysupply.com/services/electrical-supply/) - [Construction Services](https://www.regencysupply.com/services/construction-supplier/) - [Lighting Retrofits](https://www.regencysupply.com/services/lighting-retrofits/) - [Lighting Maintenance](https://www.regencysupply.com/services/maintenance/) - [Product Lines](https://www.regencysupply.com/lighting-solutions-and-services/product-lines/) - [Client Success Stories](https://www.regencysupply.com/lighting-solutions-and-services/client-success-stories/) - [Resources](https://www.regencysupply.com/lighting-resources/) - [About Us](https://www.regencysupply.com/about-regency-lighting/) - [Leadership](https://www.regencysupply.com/about-regency-lighting/leadership-team/) - [Evan Regenstreif](https://www.regencysupply.com/about-regency-lighting/leadership-team/evan-regenstreif/) - [Isaac Regenstreif](https://www.regencysupply.com/about-regency-lighting/leadership-team/isaac-regenstreif/) - [Judah Regenstreif](https://www.regencysupply.com/about-regency-lighting/leadership-team/judah-regenstreif/) - [Scott Anderson](https://www.regencysupply.com/about-regency-lighting/leadership-team/scott-anderson/) - [Hoon Kim](https://www.regencysupply.com/about-regency-lighting/leadership-team/hoon-kim/) - [Ron Regenstreif](https://www.regencysupply.com/about-regency-lighting/leadership-team/ron-regenstreif/) - [Mike Goldstone](https://www.regencysupply.com/about-regency-lighting/leadership-team/mike-goldstone/) - [Careers](https://www.regencysupply.com/about-regency-lighting/careers/) - [Regency Supply News](https://news.regencysupply.com/) - [Event And Social Photos](https://www.regencysupply.com/about-regency-lighting/event-and-social-photos/) - [Contact Us](https://www.regencysupply.com/contact-us/) - [Credit Application](https://www.regencysupply.com/contact-us/credit-application-for-lighting-services/) - [Apply For Tax Exemption](https://app.certcapture.com/logins/login) - [Office Locations](https://www.regencysupply.com/contact-us/#rl-locations) - [Search](https://www.regencysupply.com/searching/) - [Store Login](https://shop.regencysupply.com/) ### REGENCY INSIGHTS BLOG Trusted advice for lighting, electrical, and more. #### Articles about Energy Code & Restrictions [A state by state look at light bulb bans \[Interactive map\] October 10, 2024 at 9:00 AM](https://insights.regencysupply.com/state-light-bulb-bans) [California's light bulb ban October 1, 2024 at 11:30 AM](https://insights.regencysupply.com/california-light-bulb-ban) [The three most common EV charger installation delays May 20, 2023 at 1:21 PM](https://insights.regencysupply.com/the-three-most-common-ev-charger-installation-delays) [What is Title 24 and how do you make sure your lighting complies with it? February 17, 2022 at 9:40 AM](https://insights.regencysupply.com/what-is-title-24-and-how-do-you-make-sure-your-lighting-complies-with-it) [Energy code changes for 2022 \[And how they impact lighting\] February 4, 2022 at 11:53 AM](https://insights.regencysupply.com/energy-code-changes-for-2022) [Energy code changes for 2020 \[And how they impact lighting\] February 5, 2020 at 10:35 AM](https://insights.regencysupply.com/energy-code-changes-2020) [Do your lighting products need to be UL listed or ETL listed? And what about DLC and Energy Star? November 20, 2019 at 9:15 AM](https://insights.regencysupply.com/ul-listed-or-etl-listed) [Title 24 and healthcare lighting \[New requirements for 2020\] September 13, 2019 at 10:30 AM](https://insights.regencysupply.com/title-24-and-healthcare-lighting-new-requirements-for-2020) [Title 20 explained: California's energy efficiency standards for lighting August 7, 2019 at 3:15 PM](https://insights.regencysupply.com/title-20-explained-californias-energy-efficiency-standards-for-lighting) [\[Title 24 revisited\] How California’s building code practically impacts businesses July 9, 2019 at 9:30 AM](https://insights.regencysupply.com/title-24-revisited-how-californias-building-code-practically-impacts-businesses-1) [How a SoCal real estate developer met code, design intent, budget, and deadline through expert lighting design October 6, 2017 at 5:35 PM](https://insights.regencysupply.com/how-a-socal-real-estate-developer-met-code-design-intent-budget-and-deadline-through-expert-lighting-design) [Explaining the 2016 Title 24 standards that went into effect in 2017 December 15, 2016 at 10:20 AM](https://insights.regencysupply.com/updates-to-title-24) [Revisiting Title 24 lighting requirements: Navigating the complexity November 13, 2015 at 4:04 PM](https://insights.regencysupply.com/revisiting-title-24-requirements-a-look-at-title-24-lighting-projects) HQ 9261 Jordan Avenue Chatsworth, CA 91311 **Phone:** [+1-800-284-2024](tel:+18002842024) **[Send us a message.](http://www.regencysupply.com/contact-us/contact-us/)** **[Find a location.](https://www.regencysupply.com/contact-us/#RS-locations)** Family owned and operated since 1983 [![](https://www.regencysupply.com/wp-content/uploads/rs-main-badge-w.svg)](https://insights.regencysupply.com/newname) What's the story with our rebrand? [Learn more.](https://www.regencysupply.com/newname) [![RSS](https://www.regencysupply.com/wp-includes/images/rss.png)](https://insights.regencysupply.com/rss.xml) [Lighting Insights](https://insights.regencysupply.com/) - [4 reasons lighting causes developers' schedules to fall behind on construction projects](https://insights.regencysupply.com/4-reasons-lighting-causes-developers-schedules-to-fall-behind-on-construction-projects) Aug 1, 2022 - [What is DLC v5.1 and how does it impact my lighting purchase?](https://insights.regencysupply.com/what-is-dlc-5.1) Jul 26, 2022 - [Trends in pricing and quality in LED lighting](https://insights.regencysupply.com/trends-in-pricing-and-quality-in-led-lighting) Jul 19, 2022 - [California's light bulb ban](https://insights.regencysupply.com/california-light-bulb-ban) Jul 13, 2022 - [Is there an incandescent light bulb ban?](https://insights.regencysupply.com/was-there-actually-an-incandescent-light-bulb-ban) Jul 11, 2022 - [A state by state look at light bulb bans \[Interactive map\]](https://insights.regencysupply.com/state-light-bulb-bans) Jul 6, 2022 #### Looking for products? [View Product Lines](https://www.regencysupply.com/lighting-solutions-and-services/product-lines/) [Shop our Store](https://shop.regencysupply.com/) © Regency Supply, All Rights Reserved. - [RL Studio](https://rl.studio) - [Shop Lighting](https://shop.regencysupply.com/) - [Branding](https://www.regencysupply.com/branding/) - [Privacy Policy](https://www.regencysupply.com/privacy-policy/) - [Site Map](https://www.regencysupply.com/site-map/) ![](https://secure.deng3rada.com/216972.png)