The November issue of “RTI” is online. The special coverage “Data center engineering and construction companies” is highlighted on page 18, which shows who are the companies focused on the implementation of data centers in Brazil, an activity that requires the deep knowledge of different disciplines in the same work and integrated management capacity of all of them. See on page 36 the article “Batteries for large UPS”, showing a project roadmap that can help the designers and professionals who are specifying or buying these products to better understand the technology and seek safe and reliable solutions. Read on page 60 the article “Impact of rack color on data center lighting”, which shows that using white racks results in the same illuminance with fewer luminaires, reducing installation and lighting energy costs by about 25% to 35%. This issue brings also the update “Management software for ISPs”, “Racks, panels, cabinets and accessories” and “LAN and KVM switches” buyers’ guides.