Key Features Powers Using a 4 Pin XLR Male Power Connector 28″ Safetap Connector Cable Description Safe electrical appliances using a 4 Pin XLR Male Power Connector with this 28″ Safetap Connector Cable to 4 Pin XLR Cable from Indipro Tools. Using a revolutionary Safetap connector, this cable ensures the protection of your equipment with this patented technology. Built-in intelligence monitors for reverse polarity, over/under voltage, short circuits and prevents battery deep discharge. The cable is designed and pre-tested to maintain the industry standard polarity of PIN-4 positive and PIN-1 negative when connected to a D-TAP power source.