An electrical contact assembly holder includes a body having a cable interface. A contact holder is attached to the body on a side opposite from the cable interface and is provided with a plurality of contacts arranged in rows. Each of the contacts has a base that secures the contact to the contact holder. At least one electrically conductive plate is disposed inside the body and extends substantially parallel to the contacts from the cable interface to the base of the contacts. The electrically conductive plate is electrically connected to the contacts and has recesses that receive the contacts to separate the rows of the contacts. A resilient tab extends from the electrically conductive plate to an outside of the electrical contact assembly holder. The resilient tab is electrically conductive and is configured to engage a shielding shell of a connector that receives the electrical contact assembly holder.