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WEST CALDWELL, N.J. (August 19, 2016) – MaxLite has expanded its line of LED Post Top Lamps with higher output models designed to replace 125- to 175-watt metal halide sources in enclosed outdoor lighting fixtures.
Designed for use in post top luminaires with an E39 socket, such as acorn fixtures, the 30- and 50-watt retrofit lamps deliver respective outputs of 3,000 and 5,000 lumens with an omnidirectional beam that creates ample and even illumination. The new models are DesignLights Consortium (DLC) listed and eligible for utility rebate programs, making the lamps an economical choice for upgrading post top luminaires in parks, streets, campuses, airports and retail centers to more energy efficient lighting. Available in 3000K and 5000K color temperatures, the lamps save more than 70 percent in energy and operating costs over conventional light sources and feature a maintenance-free lifetime of 50,000 hours.
MaxLite LED Post Top Lamps are suitable for use in both dry and damp locations with ambient temperatures ranging from minus 20 degrees to 140 degrees Fahrenheit. The line of specialty outdoor lamps also includes 50-, 75- and 100-watt equivalents for use in lower wattage fixtures, such as bollards and globes. All lamps are backed by MaxLite’s five-year limited warranty and lifetime product support.
View complete product specifications at http://www.greenelectricalsupply.com/maxlite-30-watt-5000k-120-277v-led-corn-cob-post-top-retrofit.aspx
Hello MSSLC Members: I imagine most everyone is familiar with the recent position statement issued by the American Medical Association (AMA) on "high-intensity street lighting," due to the extensive media coverage following its release. We continue to field inquiries that include many passed along from our member municipalities and utilities, originating from their citizens and customers. The messages contained in the release have caused a stir.
DOE's Solid-State Lighting Program issued an SSL Postings within a few days of the AMA's release. This notes the importance of matching the characteristics of the product with the specific application, underscoring the AMA's call for the use of appropriate products. Since then a number of other organizations have also weighed in with very useful perspectives. You might want to check these out if you haven't already:
In addition to the above I thought I might also provide some numbers for your use should you continue to get inquiries from your respective agencies and citizens. Probably most people do not have access to the actual spectral contents of the different types of lighting in common use or know how they compare with one another, even if they understand that virtually all lighting sources produce some amount of melanopic content. Melanopic content is of interest here because it is regarded as a primary indicator of the relative potential for the listed light sources to stimulate the human biological responses that are the subject of much of the AMA's statement. Note, however, that influences from other photoreceptors like the rods and cones are also known to contribute to biological responses such as circadian and neurophysiological regulation, but in ways that are not fully clear to the medical research community.
Table 1 lists various sources used in street and area lighting and selected performance characteristics related to their spectral content. Data for each source includes a measured Correlated Color Temperature (CCT), the calculated percentage of radiant power contained in "blue wavelengths" (defined here from the literature related to sky glow as wavelengths between 405 and 530 nanometers [nm]), and the corresponding scotopic and melanopic multipliers relative to a high-pressure sodium (HPS) baseline, normalized for equivalent lumen output. Note that research on the contributions of different types of photoreceptors to visual and non-visual responses continues (e.g., see Amundadottir, 2016; Schlangen, 2016; Lucas et al., 2014) and may warrant updates to this table in the future.
Table 1. Selected blue light characteristics of various outdoor lighting sources at equivalent lumen output.
* Percent blue calculated according to LSPDD: Light Spectral Power Distribution Database, http://galileo.graphycs.cegepsherbrooke.qc.CA/app/en/home. The specific calculation, developed for evaluating the potential for affecting sky glow, divides the radiant power contained in the wavelengths between 405 and 530 nm by the total radiant power contained from 380 to 780 nm, for each light source.
** Melanopic content calculated according to CIE Irradiance Toolbox, http://files.cie.co.at/784_TN003_Toolbox.xls, 2015 as derived from Lucas et al., 2014.
Key: PC -- Phosphor Converted; LED -- Light Emitting Diode
As most products differ slightly from one another, the scotopic and melanopic values presented should be taken as being typical for the associated light source type, rather than exact. We have included ranges, for which we have data, to indicate the upper and lower limits that might be found in a representative set of LED product samples. The number of product samples underlying each CCT ranges from 2 (for 2700 K) to 19 (for 3000 K), with others falling in between (76 samples in all). Conventional light sources are all listed with single values rather than a range because DOE has performed less testing on those, but they would likewise be most accurately characterized by a range (albeit narrower than LED).
It is important to understand that performing a calculation with these values only provides an idea of the relative potential to cause human health impacts, rather than the actual (if any) impact of the melanopic content. These values do not yet take into account several critically-contributing factors noted in the LRC paper linked above, such as the intensity one might expect to find inside a bedroom from a streetlight outside. Furthermore, the melanopic content itself directly scales with light output for a given source, so reducing output by dimming dynamically reduces the corresponding content.
Finally, note that the scotopic and melanopic contents reported are listed relative to HPS, which was selected as the baseline for comparison due to its predominance in the existing outdoor lighting market.
The influence of blue wavelengths is immediately evident in all "white light" sources containing them. In addition, as demonstrated by the relative melanopic contents of conventional lighting sources in the table, the blue light issues being raised by the AMA are clearly nothing new to our lighted environment. What is new is our increased understanding of their potential influence regarding human and environmental health issues, as the related research progresses.
Estimating the potential impacts
A commonly cited advantage of LED lighting is the superior control available over its light distribution. This advantage arises because a luminaire needs to fit its output to a target area, for example a rectangular stretch of roadway extending 100+ feet out from under each side of a streetlight. To satisfy the application, fixtures employing omni-directional emitters like glass lamps require significant reshaping of the lamp's output through reflectors and lenses, and despite great skill in this regard, the results remain far from perfect with large components of the light continuing to exit the fixture in unwanted directions. The latter often results in light trespass, glare, uplight (in older installations especially) and non-uniform illumination on the ground, all of which amount to wasted light and energy. In contrast, because LEDs emit in only one hemispherical direction, the optics' job of shaping their light output into the pattern wanted is much easier from the start, and thereby enables the elimination of much of this waste.
One direct benefit resulting from the improved distribution is that lamp-based fixtures are now routinely being replaced with LED products that emit only half (or less) of the light output of the replaced conventional light source. This is a key concept for estimating the potential for impact from a lighting conversion program. For example, if product X has a melanopic content twice that of product Y, but can be run at one-third the output, then converting to product X might actually reduce melanopic output. As previously noted, dimming a given product similarly reduces its emitted melanopic content, in direct proportion to the reduced light output.
Numerous real-world examples exist of such reductions being achieved in actual street lighting conversion programs around the U.S. As a salient example, the city where I live, Portland, OR, has replaced its previous 100 W HPS fixtures emitting about 9,000 lumens (initial) with 4000 K LED products that are set to an initial output of 3,000 lumens, achieving a two-thirds reduction. As a result, in absolute terms, the LED products in Portland have likely had little impact on the melanopic output compared to the previous (and notably non-white) HPS fixtures they replaced, because the reduced light output offsets the LED's higher melanopic multiplier.
A second example is Cambridge, MA, which installed a dimming control system when it converted its street lighting to LED in 2013. According to a complete inventory of its lighting system at the time, the city replaced a total of about 54 million lumens (initial) of HPS lighting with about 32 million lumens (initial) of 4000 K LED lighting. The city's "maintained" setting of the controls system is at 70% output, meaning it actually only uses about 22.4 million lumens to light its streets at dusk when the lights first come on. Moreover, at midnight the dimmer setting is further reduced by another 50% (i.e., to 35% of full output), where it remains until early morning. Assuming even a high melanopic content factor relative to the original HPS of 3.4, during the initial evening hours its relative melanopic content emissions would amount to 3.4 x (22.4/54) = 1.41x those of the original HPS system. From midnight to the early morning hours, this value is reduced again by 0.5, yielding a factor of about 0.71x. In other words, the Cambridge system has offset the increase in melanopic content of converting to 4000 K lights, at least during the middle of the night, by reducing their output while still gaining the benefits of improved visibility, reduced energy and maintenance, and increased lifetime and reliability.
To summarize a few key takeaways:
The real value in LEDs, as has been stressed all along, comes from the combination of these elements. The wide-ranging capabilities and characteristics of LEDs are greater than any other lighting source that has come before them, and thus they offer unparalleled potential for addressing the issues raised by the AMA. As noted in the SSL Postings, LEDs are a critical part of the solution provided that these functionalities are applied. This is the message that should be shared.
I hope this information is helpful in planning and understanding the potential impacts of your own conversion efforts. I would like to extend my sincere thanks to George Brainard, Ph.D., and Robert Lucas, Ph.D., who reviewed and commented on this issue of The Light Post for accuracy. Their assistance is greatly appreciated. Bruce Kinzey, MSSLC Director Pacific Northwest National Laboratory MSSLC@pnnl.gov
Available in 2x2, 2x4 and 1x4 units, these high-performance LED fixtures deliver consistent, high-quality white light and uniform illumination without pixilation, creating a more vibrant environment. Perfect for retrofit and new construction applications, the Indy X-Series Low Profile Basket Luminaires allow for easy installation and maintenance, with a lightweight design that enables access to the LED and driver from below, as well as compatibility with any standard T-Bar or screw slot grids. The fixtures also deliver a remarkably long service life of 50,000 hours at 70 percent lumen maintenance.
Additional features of the Indy X-Series Low Profile LED Basket Luminaires include:
The new Indy X-Series Low Profile LED Basket Luminaires are currently available at Green Electrical Supply
WEST CALDWELL, N.J. (July 16, 2015) – Integrating high-performance optics and durability into a slim profile, MaxLite presents LED Recessed Canopy Fixtures as a sleek upgrade to energy-efficient lighting for fuel stations, convenience stores, banks and other drive-through locations.
The easy-to-install luminaires replace incumbent HID fixtures with more than 70 percent energy savings and virtually no maintenance, providing critical cost savings for businesses that operate 24/7. Delivering a market-leading efficacy of 126 lumens per watt, the canopy fixtures consume less than 100 watts, but deliver 11,795 lumens of bright white light that optimizes motorist and pedestrian safety. Rated to a lifetime of 120,000 hours at L70 standards, the fixtures are offered with a 10-year limited warranty and lifetime product support. The canopy fixtures are DesignLights Consortium (DLC)-qualified and may be purchased with utility rebates from select programs nationwide.
“Our new canopy fixture design makes it easy for station owners to update their facilities to a much more efficient and contemporary-looking light source,” said Product Manager Francisco Garza. “By switching to LED, they can increase the quality of illumination while reducing their energy costs by 70 percent. While the form factor represents a fresh take on canopy lighting, the real beauty of the fixture lies within the simplicity of its installation and maintenance.”
While most fuel station fixtures require a two-person team to install, MaxLite LED Recessed Canopy Fixtures are designed to enable a single worker to complete the job. The driver enclosure is designed with an aircraft cable that suspends the fixture, so that a single person can mount the drivers on the top of the canopy first, and later return to install the fixture. The luminaires may be recess-mounted to any canopy with round or square cutouts measuring between 3.9 and 9.8 inches wide. The fixtures install with minimal punctures to the canopy, and gaskets are provided to cover the holes, for a seamless update that keeps the aesthetics of the canopy intact.
Balancing state-of-the-art LED technology with the functional demands of outdoor lighting, the IP66-rated fixtures are constructed of a durable, die cast aluminum housing and shatter-resistant tempered glass lens that can withstand the harsh effects of year-round weather extremes. The fixtures are engineered to operate in a temperature range of -40F to 122F.
While all Lutron dimmers can save money on energy expenses and maintenance costs, not all dimmers share the same functionality. Before developing a light control strategy, you should understand a few basic facts about dimmers.
Types of Dimmers
Each type of lighting source (load types) has individual characteristics, which require special types of dimmers. It is important to use a dimmer that is designed, tested, and UL listed for your specific lighting source/load type:
WEST CALDWELL, N.J. (June 25, 2015) – Designed to create a complete UL-listed fixture by the most economical means, MaxLite introduces the Lamp Ready Fixture Series as a companion to its line of LED Linear T8 replacement lamps.
Lamp Ready fixtures enable installers to avoid bypassing the ballast and adopt the energy-saving benefits of LED technology while keeping the UL-listing of the product intact. The Lamp Ready series was developed in response to a strong market demand for a new construction housing that is UL-listed specifically for LED replacement lamps that do not need a ballast. The UL certification mark indicates the product has been tested to meet globally accepted standards of product safety set forth by Underwriters Laboratories, in pairing an internally driven LED lamp with a dedicated new construction housing. In addition to simplifying the upgrade process for the contractor, the fixtures offer ease of maintenance and peace of mind for the end-user, who is able to continue to re-lamp the housings with MaxLite brand LED T8 lamps with the certainty that the combined lamp and housing are still UL-listed.
MaxLite launches the Lamp Ready series with Vapor Tight, Utility Strip and Linear Highbay fixtures. Additional models will join the line-up later this year. The fixtures are compatible with MaxLite’s internal driver LED T8 replacement lamps, and come pre-wired for contractor-ready installation as new or remodel fixtures.
“Contractors are often faced with fluorescent fixtures of varying ages and conditions on a job that must be either modified, or replaced, to comply to UL and building code standards,” said MaxLite Indoor Product Marketing Director Pat Treadway. “We found that many MROs were avoiding the adoption of LED T8 lamps because they were uncertain whether bypassing a ballast keeps the original UL product listing intact. Our new Lamp Ready Series was designed to remove that barrier by introducing a low-cost, complete fixture solution that is an easy choice over a modified fluorescent fixture that may not be UL-listed for LED use.”
Engineered to stand up to the harshest environments, the IP-65-rated Vapor Tight Lamp Ready fixture is constructed with a vapor tight housing that protects the light source against water and dirt, making it the perfect replacement for less efficient fluorescent strip lights in car wash operations, airports, tunnels, maintenance areas, parking garages and stairwells. Available in two- and three-lamp models, the fixture is designed with a transparent diffuser that supports maximum lumen output. The Lamp Ready Vapor Tight can be mounted to walls or ceilings with the provided hardware, or suspended from ceilings using a cable kit.
When combined with MaxLite brand LED T8 lamps, the Linear Highbay offers superior light output for commercial and industrial highbay and lowbay installations, assembly, warehouse, and general lighting applications. Available in four-, six- and eight-lamp versions, the fixture is constructed of the same durable steel as MaxLite’s commercial- and industrial-grade BayMAX LED Linear Highbays and works with the optional doors, wire guards and lenses from that product line.
The Lamp Ready Utility Strip features a compact, low profile design perfect for task and general lighting in residential, commercial or industrial projects. Available in one- and two-lamp housings, the strips can be mounted flush or suspended. Multiple end, side and rear knockouts enable the fixtures to be wired through and mounted in rows. They also accommodate an occupancy sensor for additional energy savings.
At LightFair 2015 in New York on May 5-7, the exhibition floor was flooded with ballast-compatible tubes from domestic and overseas manufacturers, all riding on the "plug-and-play" promise of replacing existing fluorescent T8 without any rewiring of the existing fixtures. Such promise quickly turned to a more fitting term, plug-and-pray, since once a user plugs the ballast-compatible tube into the linear fixture, he/she should pray that the existing ballast is compatible. This is because while the current off-the-shelf ballasts are likely to be compatible with this new breed of LED tube, the incompatibility percentage is very high for the ballasts that are more than five years old. Not to mention, the ballast-compatible LED tube won't work with T12 ballast.
Aleddra introduced its SureFit® DBA+ tube officially at LightFair and drew an overwhelming interest. DBA is the acronym of its key features:
Double-end safety switches
Aleddra's DBA tube works with Instant Start ballast and AC line voltage. The end user has the option of bypassing the ballast to save more energy immediately, or wait for the ballast to "fail" and then bypassing it. It avoids the "plug-and-pray" dilemma with the ballast compatible LED tube. For T12 fluorescent tube, the retrofit is straightforward by removing/bypassing the ballast.
The Aleddra DBA tube will work with and without an Instant Start ballast. It achieves 2 to 4 watts more energy saving per lamp when operating without the ballast. By removing the ballast the end user will reduce the energy consumption from 32 Watts to 17 Watts. With the ballast removed/bypassed, there is no more maintenance and replacement of the ballast going forward, thus reducing the overall lighting maintenance cost by 70%.
The DBA+ (plus) tube comes with a field replaceable driver. Rather than buying the replaceable driver when needed, the end user can purchase 10-year extended driver warranty from Aleddra. Coupled this with the standard 5-year warranty on the lamp, the DBA+ tube offers the best 10-year ROI for T8/T12 retrofits and gives the facilities manager "peace of mind."
(Aurora, Ohio – May 14, 2015) — Technical Consumer Products, Inc. (TCP), a leader in energy-efficient lighting innovations, expands its LED offering with the announcement of its new GU24 base LED products. TCP’s GU24 base LED Lamps are available in an A-lamp shape and provide brilliant light output for the most demanding applications.
“We are excited to provide even more LED options to the market,” said Paul Philips, Director of Product Management for TCP. “Our GU24 base LEDs are the ideal choice to retrofit existing fixtures that have this base type. The GU24 base has two receiving holes instead of traditional threading of an E26 base and is only utilized in energy efficient lighting technologies like CFL and LED. Customers that have traditionally purchased GU24 base CFLs from TCP now have the ability to seamlessly transition to TCP LED without changing out their existing GU24 base fixture.”
TCP LED bulbs boast an energy savings of as much as 85 percent over halogen alternatives and an estimated life of 25,000 hours. TCP LED bulbs with a GU24 base have low heat generation, excellent color consistency, are fully dimmable and no annoying warm-up time.
Crain’s annual roundup of the fastest-growing Chicago companies could be one of the best indicators of the marketplace.
We present 50 companies that achieved impressive gains over a five-year period, highlighting companies that are new to the list. Crain’s reporters and researchers studied each company and asked probing questions of CEOs to figure out how they grew. What did each company do to achieve impressive gains? And how do they plan to sustain them?
Crain’s and Plante Moran vetted 125 applications.
#9 LIGHT EFFICIENT DESIGN
What it does: Designs and manufactures LED lighting products
How it grew: Getting the word out to distributors through trade shows and the press
"I knew LED lighting was going to be the future of light," says Tim Taylor, CEO of Light Efficient Design, which manufactures and sells a range of light-emitting diode bulbs for commercial customers. That's because clients save money by swapping out older bulbs for his company's options, lowering their electricity bills and reducing maintenance costs. The LED Savings Calculator on its website drives home the point. The firm's bulbs, made in Asia, are in Fenway Park in Boston and Arrowhead Stadium in Kansas City, Mo., as well as in schools and warehouses across the country and in lampposts that line streets and parks.
Over the past five years, Taylor's team has boosted inventory, adding about 50 designs, allowing customers to choose bulbs that cast different shades — a brighter white, for example, or a more yellow tint. It has worked hard to communicate with distributors and promote its offerings at trade shows and in industry publications, raising its profile and helping it grow, he adds.
Opportunities abound for the company. There's a $500 million market installing LED lights into existing fixtures, but just 3 or 4 percent of it has been tapped to date, Taylor says. Overseas there are unique chances for growth. Light Efficient Design is working with a marketing partner to ramp up operations in the United Kingdom, where about 3 million light fixtures have a historic element. Customers won't want to alter such fixtures, but Taylor says his firm can show them how to use new bulb technology in them. Overall, the LED market offers a "huge upside," he says.
— Micah Maidenberg
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