CA Title 24 2016 Quick Reference: Local Manual Control

Where do you put light switches for spaces that are open to the public like corridors, retail spaces, lobbies, restrooms, arenas, etc? These can be locked devices, placed within view of the lighting, or controls capable of annunciating the space that is being controlled. You can use a nPOD KEY, a keyed digital dimming switch, a nPODM decora digital dimming switch, or best of all, a nPOD GFX a 16 channel single gang touchscreen dimming controller with custom digital labeling. Read on for the specific requirements and solutions by area.

With the enforcement of 2016 T24 code, there have been a lot of inquiries surrounding the changes to local manual control requirements. Per 130.1(a), it is a requirement to provide manual control that is readily accessible and located within the same room or area. The exceptions provided allow for: areas to have lighting control that is within view of the lighting (or illuminated area) or controls that annunciate the area being illuminated; and to have the manual control not accessible to unauthorized personnel.

The areas that allow for controls to be within view or annunciated are malls and atria, auditorium areas, retail merchandise sales areas, wholesale showroom areas, commercial and industrial storage areas, general commercial and industrial work areas, convention centers, and arenas. The areas that allow for controls that are not accessible to unauthorized personnel are public restrooms with two or more stalls, parking areas, stairwells, and corridors. What does having controls not accessible to unauthorized personnel entail? The CEC accepts using a standard switch within a locked enclosure, a keyed switch, a switch located within an inaccessible area with a view of the lighting or illuminated area or using a switch with the controlled area being annunciated.

Per 130.1(a)4, General lighting shall be separately controlled from other lighting systems in the area so additional switches/controls are needed if providing additional types of lighting.

Note, the requirement for dimmable fixtures to be controlled by a dimming switch that can control the fixture through all of the required steps of Table 130.1-A has moved from the Area Control requirements section to section 130.1(b)3.

T24 Compliant Control Typicals:

SDLA:  https://www.sandiegolighting.com/controls-typicals/

T24 Compliant Control Systems:

nLight:   https://www.acuitybrands.com/products/controls/nlight

nLight AIR:  https://www.acuitybrands.com/products/controls/nlightair

Fresco:  https://www.acuitybrands.com/products/controls/fresco

LC&D – Blue Box:  https://www.acuitybrands.com/products/controls/blue-box

XPoint Wireless:  https://www.acuitybrands.com/products/controls/xpoint-wireless

EchoFlex: http://www.echoflexsolutions.com/

SDLA Academy: Networked Lighting Controls

The SDLA Academy recently held another successful premiere course for lighting and lighting controls training and education. On March 22nd, we hosted about 16 different electrical engineers, electrical contractors, and electrical distributors for the course, “nLight Networked Lighting Controls, What’s New?”, right here in our office! Those in attendance gained education and training on networked lighting control solutions and how they relate to Title 24 requirements, BMS integration, Demand Response, and IoT solutions. Today, lighting control knowledge is an absolute necessity for professionals to have due to the push in energy saving code requirements, and the increased desire of building owners to be more in tune with their buildings’ potential. Software Applications, like Space Utilization, Siteview Energy and Indoor Positioning have been developed to utilize the networked control sensor devices to pull data like occupancy status/history, light levels from standard nLight devices, energy metering from the integrated SVEM and indoor location from Atrius enabled fixtures. Our training and hands-on demonstrations displayed the many ways available to design and utilize controls systems in order to give our clients an innovative approach to lighting their spaces.

Our attendees were able to get hands-on interaction with nLight® and nLight®Air of Acuity Brands, a digital control system that provides a wide range of control from small, individual rooms to multi-story buildings and has full read/write BACnet/IP BMS integration capabilities. Keep an eye out for the Summer release of the fully networked nLight AIR wireless control system that will provide the ability to have interior/exterior and wired/wireless lighting controls under one system. These Title 24 compliant systems were on display with another controls lines from Acuity including Fresco™, a high- performance architectural lighting control system that is bringing dynamic spaces to life. The Fresco system has the ability to control nLight, dimming panels, DMX (including RDM), Dali, and tunable white fixtures. All of these systems meet the needs of Title 24 while simultaneously addressing the “requirements of today’s architectural and dynamic lighting environments.”

Attendees not only had the chance to experience these innovative systems and enjoy a delicious lunch, but they also had the chance to win a very fine SDLA jacket from our event giveaway. Congrats to our winner, Kyle Knoakes!

Want a chance to experience these systems first hand? Email me at jeretc@sdltg.com for more information or to set up your demonstration today! Also, don’t miss out on our next course with the SDLA Academy, Visual Lighting Software Half-Day Training, which will be hosted on April 19th!

The Whisper Series LED Speaks to Rady Children’s Hospital

Rady Children’s Hospital is a one-of-a-kind hospital for the San Diego area. As the leading pediatric trauma center in the region, it has a robust practice including aggressive surgical approaches and is well-known for its cutting-edge Neurosurgery program. This state-of-the-art facility and staff are using the latest technologies for its medical practices, so its facilities need to be top of the line, even down to the administrative offices that are the backbone of the hospital.

In 2016, the hospital was looking for new LED lighting to update its facilities. It wanted to achieve specific energy savings goals, and have new lighting that would improve the light quality in its administrative areas. In the past, the light quality had been sub-par, creating hot spots and poor distribution.

SDLA was selected for the project, and we worked closely with our electrical partners at Randall Lamb to find and install a solution that would meet the hospital’s energy and aesthetic requirements. Craig Kerstetter, Electrical Project Manager, Randall Lamb Associates, Inc. was kind enough to say, “The SDLA team was knowledgeable and helpful during the design and construction phase.”

We felt this project was a no-brainer for the new Whisper Series LED from Acuity Brands. The fixture’s multiple lens options for the center and side panels make it easy to achieve the perfect design aesthetic and even illumination across a space. Whisper’s sloping side panels and lack of latches on the outside of the fixture create a clean and simple feel with no seams.

Our collaboration with the electrical contractor and specifier was crucial in achieving a photometric layout to make sure we met the recommended and suggested IES foot-candle measurements. In addition to the energy-saving qualities of the LED fixtures, we were able to increase energy savings and controllability of the fixtures by installing an nLight® integrated controls system from Acuity Brands. This easy-to-install controls system also helped Rady Children’s Hospital meet the new 2016 Title 24 Standards that became effective January 1, 2017.