A load cell junction box or a summing box is normally used for weighing applications involving multiple load cells,such as platform scales, hopper/tank weighing system,truck scales,etc. In such cases, these multiple load cells are normally arranged symmetrically around the corners of the weighing platform, and junction box can be used to combine the measurement signals from these distributed load cells and deliver an average millivolt signal. Each channel of the signal trimming box is equipped with a potentiometer for corner correction to equalize the inputs from the connected load cells ensure weighing consistency when there is uneven load distribution.4-channel load cell junction box FJ4 is housed in a stainless steel enclosure and sealed to IP65 which makes FJ4 applicable in harsh working environments.