Installing a Ceiling Fan Using Surface Wiring Installing a Ceiling Fan Using Surface Wiring. How to Install Ceiling Fan Wiring. of the room are finished off and there are no plans to do any necessary construction then I would recommend installing surface mounted conduit or a product know as Wiremold. Surface mount ceiling fan - Home Improvement Stack Exchange What you need is a surface-mounted ceiling fan box, either of the saddle or the pancake types. Wiring a fan without a box is a great way to drop a ceiling fan on the head of an unsuspecting guest, as well as a fire hazard if a splice ever fails!