An electrical connector housing including a main housing member and at least one protective wafer. The main housing member has a contact locating area. Opposite sides of the contact locating area include slots for receiving opposite end portions of insertable wafers. The at least one protective wafer is configured to be located in the contact locating area and includes opposite end portions adapted to be matingly slid into a pair of the slots. The protective wafer has a top side configured to project above top ends of contacts located in the contact locating area. The protective wafer and the main housing member are sized and shaped to combine to help prevent a user's finger from contacting the top ends of the contacts located in the contact locating area.