DiversiTech Non-Fusible 60A Disconnect Switch. You can choose the switch by itself or a bundle that pairs it with an electrical whip and either a #8 or a #10 wire. If purchasing a MRCOOL DIY System, a #10 wire is recommended to be used with a 18K or 27K BTU condenser while the #8 wire is recommended to be used with an 27K, 36K or 48K BTU condenser. See below for further details. If you need help, please feel free to contact us! Our experts are happy to help you. AWG Breakdown by MRCOOL DIY Multi-Zone Condenser 12K - #12 Minimum, #10 Preferred18K - #12 Minimum, #10 Preferred27K - #10 Minimum, #8 Preferred36K - #8 Minimum, #6 Preferred48K - #8 Minimum, #6 Preferred AWG Breakdown by MRCOOL DIY Single-Zone Condenser 9, 12K - #12 Minimum, #10 Preferred18K - #10 Minimum, #8 Preferred24K - #8 Minimum, #6 Preferred36K - #8 Minimum, #6 Preferred
