"Utility hookups" refers to the necessary connections (such as water, gas, electricity, and sometimes sewer) that need to be established for a building or residence to receive essential services. Full definition
They also asked questions about the nuts and bolts of utility hookups and how they may differ for tiny houses. (tinyhousebuild.com)
The company recently created relocation and customer service departments that handle everything from utility hookups to maintenance problems. (realtormag.realtor.org)