How to Install Surface Wiring | DoItYourself Surface wiring is a metal “raceway”, or “wire-mold” that easily allows you to add an outlet, a switch or a light fixture in an area where there is none. All of the components are mounted to the surface of the wall so you don’t have to cut holes and fish wires through walls. The uses for surface wiring are limited by your imagination.Author: DIY Staff Wiremold 1-5/8 in. Rectangle Plastic 1 gang Outlet Kit ACE REWARDS® PLATINUM PROGRAM BETA TEST TERMS AND CONDITIONS. Last updated July 17, 2019. Thank you for your interest in participating in Ace Hardware Corporation’s beta test of Ace Rewards® Platinum, a new membership program available for purchase by eligible Ace Rewards® program members.