The EL9184 potential distribution terminal provides the supply voltage via the front-side terminal contacts.

24 V and 0 V can each be tapped 8x from the front. The power contacts are connected to the front-side terminal contacts and are passed through to the adjacent terminal. With the EL9184, the use of additional terminal blocks on the terminal strip can be reduced. The HD EtherCAT Terminals (high density) with increased packing density contain 16 connection points in the housing of a 12 mm-wide EtherCAT Terminal. Solid wire conductors can be connected without tools using the direct plug-in technique.

https://www.beckhoff.com/vi-vn/products/i-o/ethercat-terminals/el9xxx-system/el9184.html