DMS-11040 specifies the materials for type XHHW conductors. Conductors that meet the material specification are listed by their types under Item 620 in the MPL for Roadway Illumination and Electrical Supplies. This section of the MPL also contains approved breakaway fuse holders that meet the specification.

DMS-11040 also contains specifications for splicing materials and ground rods. These materials are not listed on the MPL, but compliance with the specifications should be verified in the field.