Low Voltage Switchboard Maintenance

Following are some important guidelines to be followed while maintaining a low voltage switchboard.

Low voltage switchboard maintenance. Hi pot test is a contraction for high potential hv testing. Introduction low voltage electrical switchboards are at the heart of power distribution in a modern building where there is increased. Many industrial commercial and residential buildings rely on switchboards to effectively distribute electrical power to appliances or electrical devices that are then used by consumers. Low and medium voltage switchboards play an important role in the safety and efficiency of an electrical distribution system.

1 bolted electrical connections should be inspected for high resistance either by use of a low resistance ohmmeter dlro calibrated torque wrench or infrared scan loose bolted electrical connections can lead to higher energy consumption and eventual equipment failure if not properly addressed. Wiring and bolted connection checks for switchgear and switchboards. Recommendations for the maintenance of low voltage electrical switchboards and switchgear. This document is prepared in line with australian standard as nzs 2467 2008 for maintenance of electrical switchgear.