Upon arrival met homeowner in driveway. We asked if it was ok to park in driveway and if we were blocking anyone. Performed AC maintenance/diagnostics. Changed both filters 20 x 25 x 1” and dated for today. Checked: all electrical components, low & high voltage wiring/sheathing, motors/amp draw, blower wheel cleanliness, treated drain lines, evaporator coil cleanliness, temperature drop across coil(20 degrees Fahrenheit), capacitor, Contactor, & refrigerant charge. Found high voltage to indoor air handler no properly installed through housing and requires electrical fitting(code/saftey/electrical fire hazard) System currently cooling/draining/ functioning properly at this time. Leaving estimate to install electrical fitting for high voltage at air handler.