According to safety standards, how must a self-erecting tower crane be grounded?

The grounding of a self-erecting tower crane is crucial for ensuring the safety of operators and personnel on site. Grounding must be performed according to the National Electric Code (NEC), which provides the standards for safe electrical installations and includes guidelines that can be applied to construction equipment like cranes.

By grounding a self-erecting tower crane according to the NEC, all electrical components are protected from potential electrical faults and hazards. This includes ensuring that any stray voltage or electrical surges are properly channeled away from the crane and its operators, reducing the risk of electrical shock or fire.

Local building codes may contain specific requirements that align with or expand upon NEC guidelines, but for grounding practices, adhering to the NEC ensures that best practices and recognized safety standards are followed. This promotes the protection of both the equipment and the workers, aligning with the overarching framework of electrical safety in construction settings.