1. A landscape control system comprising:a housing;
a removable module sized and shaped to be disposed in the housing, the removable module having a first end, a second end, a latch mechanism, and a grounding member, the latch mechanism being capable of transitioning between a locking configuration and a released configuration;
a first retaining structure disposed in the housing and capable of releasably mating with the first end of the removable module;
a second retaining structure disposed in the housing and spaced from the first retaining structure, the second retaining structure being capable of releasably mating with the latch mechanism after the first retaining structure is mated with the first end of the removable module; and
a grounding rod positioned in the housing to contact the grounding member of the removable module at least when the first end of the removable module is mated with the first retaining structure of the housing.