RMCP3 by Hammond Manufacturing is a electrical enclosure accessories designed for reliable performance in electronic applications. It is widely used in industrial, automotive, and power management systems.

Box and enclosure products are used for physical containment, organization and protection of electronic devices, computer systems, small items, instruments, test equipment, and similar items. Examples include organizing drawers for resistor assortments, enclosures for custom guitar pedals, airline-resistant transport cases, 19- and 21-inch equipment racks, and more. Included within the category in addition to the enclosures themselves are a variety of related products commonly used with them, such as handles, locks, mounting rails, fan trays, interconnect panels, and others.