![]() When ordering adapters for your PV cables, it is vital to specify the physical type of connector for each end as well as its polarity.Įnphase Energy Application Note - Mating Microinverters with PV Modules for Correct Polarity: This appearance is just the opposite of what the terms “Male” and “Female” usually bring to mind and is the biggest source of problems in ordering exactly what you, the customer, needs. ![]() The female pin has housing that has a long narrow tip that fits into the male housing when they are mated. The male pin has housing with a relatively large opening in the end and the pin itself is recessed within. For some manufacturers of solar equipment, such as Amphenol, Tyco SolarLok, Multi-contact, and Radox connector systems, the housing of the connector pins appear opposite from standard electrical industries. ![]() In most electrical industries, connectors are described as “Male” and “Female” but this applies to the metal contacts themselves, not the plastic insulator that houses them. They will usually have a positive (+) or connector on one end and a negative (-) on the other.Īn important consideration is the terminology used to describe the physical connector at each end of the adapter. It is essential that adapters not only have the physical format to attach the module to the inverter, but they must have the appropriate polarity.Īn adapter plugs into the module's original cable and then provides the connection appropriate for the polarity of the original cable. This allows the user to connect different brands of solar modules to another manufacture’s equipment, for example, an inverter. PV adapters allow a user to connect a module to an inverter equipped with a different type of end connector system. What is a PV adapter and what type do I need?.
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