FAQ: What is the purpose of multiple ground connections on EIB’s? Gorky July 04, 2019 20:56 Follow Excluding the EIB-16, all ground connectors on the EIB’s are tied together. Related articles FAQ: At what frequency is the TTL port sampled? FAQ: Does it matter which direction I insert the electrode wire and the pins on an EIB? Comments 0 comments Please sign in to leave a comment.