The box itself is the interquartile range, which contains 50% of your data. 65% of the distribution rather than an exact 25%. The spacings in each subsection of the box plot indicate the degree of dispersion (spread) and skewness of the data, which are usually described using the five-number summary. Most likely, you have already seen these types of charts before. We also highlight how reliable manufacturers like NUOMAK support stable, compliant, and cost-effective power distribution. A distribution box is a low-voltage electrical enclosure that receives incoming power and distributes it safely to multiple outgoing circuits through protective and switching devices such as MCBs, RCDs, RCBOs, fuses, isolators, busbars, neutral bars, earth bars, and surge protective devices.