Milbank Test Blocks & Switches is a wiring devices product group at Arizona Electrical Solutions with 1 SKU. Product families in this group include TESW. Listings in this group include items such as Test Switch Cover Black Flush, giving electrical contractors a set of closely related parts to choose from for a given job rather than a single catalog number. Each product page carries the manufacturer's own part number and description, so the specific item can be checked against a plan set, a panel schedule, or an existing installation before it is ordered.