This guide presents the offerings from manufacturers of flexible cables for interconnecting modules and connecting them to inverters. These cables are flame-retardant, resistant to high temperatures, ozone, and UV radiation, halogen-free, and have low smoke and toxic gas emissions. It also includes cables for connecting batteries in series (to achieve the designed ampere-hour capacity), as well as MC4 connectors, which are specific to photovoltaic systems and feature quick coupling with a protection rating of IP67 or higher.