Licenses specific to Irrigation Contractors and Landscape Contractors who specialize in Low Voltage Lighting
* Landscape irrigation contractors and landscape contractors specializing in low voltage lighting shall hold a Technology System Contractor license. Minnesota state law requires that companies who install low voltage wiring as part of an irrigation system or landscape lighting system hold a Technology System Contractor (TSC) license and that each company must a have licensed Power Limited Technician (PLT) on staff. An alternative is to sub-contract the electrical portion of this work to a TSC or to hire a licensed electrician to supervise the work. Contact the Minnesota Department of Labor & Industry at 651-284-5064 or email DLI.Electricity@state.mn.us