A typical outdoor wall pack light might be a sodium vapor light. Sodium vapor lights are the ones that tend to be very deep yellow in hue. Low pressure sodium vapor lights produce a monochrome emission that tends to render color very poorly in exchange for relatively good energy efficiency for a legacy bulb technology. Interior solutions for wall pack lighting include conventional incandescent bulbs but more typically mercury vapor bulbs. While each of these technologies has their merits, industrial LED lighting outperforms all of the conventional alternatives in important ways. Let’s take a look at some of the various considerations when deciding whether an LED retrofit is appropriate for your wall pack lighting.

Decreased maintenance requirements. As discussed above, LED lights have a lifespan that is four to forty times longer than many conventional bulbs. This means fewer replacements for bulbs that wear out. LED lighting technology also generates light differently than typical fuel and filament lighting, by using a diode instead (learn more in this blog). This means that there are fewer moving pieces to break, and consequently, fewer repairs or replacements. Maintenance is an especially important consideration when it comes to industrial lighting or warehouse lighting. Wall pack lighting often has higher mounting heights, which means that changing a bulb often requires a ladder at a minimum and in some cases specialized hydraulic lifts. All of this adds up in the form of maintenance, labor, and equipment costs. The lifespan of industrial LED lighting means that fixtures need to be changed much less often, which means savings for your bottom line.

Improved lighting quality. LED lighting for wall pack lights will typically score better in a head-to-head comparison against most other bulbs when it comes to Color Rendering Index (CRI), Correlated Color Temperature (CCT), and Foot Candles. CRI is a measurement of a light’s ability to reveal the actual color of objects as compared to an ideal light source (natural light). In non-technical terms, CCT generally describes the “glow” given off by a bulb - is it warm (reddish), or cold (bluish white)? Foot candles compare the amount of light coming from a source and the amount of light hitting the desired surface; they’re basically a measure of efficiency. On all three fronts, LED lights perform very well. (Read more about CRI, CCT, and foot candles here.)

Increased energy efficiency. Not only do LED lights generate light differently, they also distribute light differently than conventional lighting solutions, which results in less energy required to provide the same output. How does that work? First, many conventional lights waste a lot of the energy they produce by emitting it as heat (this is especially the case with metal halide lighting). Second, most conventional lights are omnidirectional, which means that they output light in 360 degrees. So, a lot of light is wasted pointing at a ceiling, or being diluted because it has to be redirected through the use of fixtures. Industrial LED lighting for applications that require wall pack lights eliminates these two problems of wasted energy (through heat loss and omnidirectional emission).

Notes: most wall pack lighs in the market now belong to DLC standard version, as DLC V4.2 Premium is a relatively new standard at present, and the key difference (also hardest part to realize) is that the required efficiency refers to the 0-90° beam angle lumen output of the light, which is especially not easy to achieve for a glass cover due to its lower light transparency ratio compared with PC cover.

Notes: the thermal management system design of the above exmple is a real lightspot, as the heat from PCB dissipated direcly through the heat sink due to the integral design between heat sink and the PCB board, which are generally fixed by an intermediary in traditional thermal management structure design.

Notes: it seems that button type photocell is more popular in the market.

Note: quite a good idea for ful cutoff option.

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