MUELLER ELECTRIC CO.

The BU-P4723-02 is a kit that contains a red and black BU-P4723,a mini plunger test clip that has a standard 4mm banana jack built into the plunger.

The BU-P4619 is a nylon spacer used is dual panel mount connectors such as Mueller's BU-00283 panel mount five-way binding post or BU-P2269 panel mount dual banana jack.