Office workers have made previous complaints about a cord placed in the middle of the walkway that poses a serious fall hazard. The cord connects the paper copier to an electrical outlet on the other side of the hall. Based on the hierarchy of controls pyramid, which of the following controls would be the most effective and realistic to address this hazard?
1) Administer precautions through signs that warn of the hazard
2) Wear Personal Protective Equipment (PPE), like knee pads, to prevent serious injury if a fall were to occur
3) Substitute the hazard with a smaller cord
4) Eliminate the hazard by moving the cord to a closer outlet that does not cross the hallway