The use of structural metal as a grounding electrode is an issue that has been revised during several recent Code cycles. The 2011 NEC has once again revisited the rule explaining when a structural ...

Based on the 2023 NEC. Question: True or false? It is permissible to install the grounding electrode conductor for a transformer through the ventilation slot on the bottom of the transformer.

Ask an electrician which way a receptacle, aka outlet, should be installed: “Ground up or down?” Typically, the answer is “both are fine,” though most of us have a preference. The National Electrical ...