Is it permissible to install a meter with load present?

Installing a meter with load present is generally not permissible due to safety regulations and the risk of damage to equipment or injury to personnel. When work is done on electrical systems, it's crucial to ensure that the system is de-energized to prevent accidents and ensure the safety of the workers.

Installing a meter while a load is present can create dangerous conditions, such as arcing or electrical shock, as well as potential damage to the meter itself or other system components, which could lead to system failures or additional costs in repairs. Utilities have strict protocols and codes that mandate de-energizing circuits prior to installation or maintenance activities to mitigate these risks.

By adhering to these safety standards, linemen and technicians protect themselves and others while maintaining the integrity of the electrical system.