Codes + Standards

  Bluetooth Networked Lighting Control (NLC) has become the leading wireless standard for commercial and industrial lighting control, and the new Bluetooth HVAC Integration NLC Profile extends this platform to HVAC, enabling more responsive, energy-efficient building systems. Leveraging existing dense grids of Bluetooth occupancy sensors for both lighting and HVAC can unlock significant incremental savings [...]

  EC&M Magazine recently published an article about the top 25 changes to the 2026 National Electrical Code (NEC). Here are their top seven lighting and EV charger changes to the 2026 NEC.   NEW Section 120.82(B) General Lighting Demand, First 8kVA Analysis of the change: The demand load for optional dwelling unit load calculations [...]

  Zigbee 4 And Suzi The Connectivity Standards Alliance (CSA) has released Zigbee 4 and Suzi to standardize secure, interoperable, and scalable IoT connectivity. These standards aim to make enterprise IoT networks more secure, scalable, and reliable, especially for commercial and industrial use. Zigbee 4 adds sub‑GHz (800/900 MHz) support for better range and building penetration, branded [...]

  Craig DiLouie interviewed Leora C. Radetsky, Senior Lighting Scientist & LUNA Program Director at DesignLights Consortium (DLC), about the new SSL Technical Requirements V6.0. This interview will inform articles by DiLouie in Electrical Contractor and tED Magazine. DiLouie: Please provide a brief history of the Qualified Products List and the Technical Requirements establishing qualification, [...]

  Following intense backlash from business leaders, bipartisan members of Congress, and industry groups, the EPA is reconsidering the ENERGY STAR program after initially announcing plans to eliminate it in May 2025. EPA Administrator Lee Zeldin has stepped back from terminating the program and is now exploring options to preserve or restructure it, though no [...]

The DesignLights Consortium (DLC) released the DLC Technical Requirements for LED Lighting: SSL V6.0 and LUNA V2.0. Solid-State Lighting is DLC’s LED program, while LUNA (Light Usage for Night Applications) is DLC’s dark sky program. These updated requirements apply to both indoor and outdoor non-residential applications. The DLC Technical Requirements for LED Lighting: SSL V6.0 [...]

  The IES has approved seven new or revised lighting standards:   BSR/IES LP-30 Lighting Practice: A Comprehensive Guide to Specifying Color Rendition – Concepts, Criteria, and Implementation This Lighting Practice document provides guidance that bridges the gap between the science and practice of specifying the color rendering ability, i.e., color rendition, of white light sources. [...]

  The 2025 California Energy Code (Title 24) clarifies lighting and control requirements for single-family residential buildings. Here is a summary of the lighting changes: § 110.9: Lighting Controls and Components. All lighting control devices and systems, light sources, and luminaires must meet the applicable requirements of §110.9. § 150.0(k)1A: Luminaire Efficacy. All installed luminaires and light [...]

  The 2025 California Energy Code (Title 24) clarifies lighting requirements for multifamily buildings. Here is a summary of the lighting changes: Updates mandatory requirements for dwelling units: all installed luminaires and light sources to meet JA8 criteria; removes Table 160.5-A and references. Section 160.5(a)1A Clarifies lighting integral to kitchen range hoods and bathroom exhaust fans do [...]