Electrical Whip to connect a Condenser to a Disconnect Switch. 

If purchasing a MRCOOL DIY System, this is recommended to be used with an 18K or 27K Condenser.

AWG Breakdown by MRCOOL DIY Multi-Zone Condenser

18K - #12 Minimum, #10 Preferred
27K - #10 Minimum, #8 Preferred
36K - #8 Minimum, #6 Preferred
48K - #8 Minimum, #6 Preferred

AWG Breakdown by MRCOOL DIY Single-Zone Condenser

9, 12K - #12 Minimum, #10 Preferred
18K - #10 Minimum, #8 Preferred
24K - #8 Minimum, #6 Preferred
36K - #8 Minimum, #6 Preferred