Manage installation, operation, maintenance, and repair of high and low voltage electrical distribution systems, substations, prime power plant, fixed and mobile emergency power generators, manual and automatic transfer switches, central heating plant, Uninterruptible Power Systems, frequency convertors, grounding and lightning protection systems, cathodic protection systems, aircraft arresting systems, airfield lighting systems, fire and security alarm systems, HVAC systems, refrigeration/freezer units, commercial kitchen appliances, package unit boilers, insulation systems, potable and non-potable water distribution, grease interceptors, storm water systems, wastewater collection and treatment systems, stand-pipe, fire hydrants, fire suppression systems and backflow prevention systems. Six months of practical experience in pesticide application or related pest control in the category applied for and proof of not less than 16 semester college credit hours in biological sciences of which not less than eight hours must be in subjects directly related to the field of pest control in which the applicant desires to be licensed or two years of practical experience in pesticide or related pest control.