The spacing is a little tight for individual headers, so we use a 12-pin connector, this one to be exact: http://www.digikey.com/product-detail/en/22-01-2127/WM2021-ND/172001
If you only care about the limit switches then this 6-pin connector should do: http://www.digikey.com/product-detail/en/0022012067/WM2015-ND/171995