US Patent 9735518 Wall mountable connector terminal configuration

A wall mountable connector to provide mechanical and electrical connections for a thermostat. The wall mountable connector may include a field wire receiving cavity, with a first column of wiring terminals and a second column of wiring terminals, with each of the wiring terminals configured to receive a field wire. Each of a first column of pin terminals may be electrically coupled with each of the first column of wiring terminals and each of a second column of pin terminals may be electrically coupled with each of the second column of wiring terminals. In some cases, the first column of pin terminals may be spaced a distance of 3 to 20 millimeters from a first side edge of the housing, and the second column of pin terminals may be spaced a distance of 3 to 20 millimeters from an opposing second side edge of the housing.