: The central bar or terminal where all protective and functional earthing conductors are interconnected. 3. Major Sections and Design Considerations 2022 revision
From TN-S to TT systems, from 1-ohm earth electrodes to 30 mA RCDs, every clause in SS 551 serves a purpose: to bring fault currents safely to ground and keep people and property out of harm’s way. ss 551 code of practice for earthing
To ensure adherence to SS 551:
During maintenance, all accessible joints must be checked for corrosion, tightness (torque), and exothermic weld integrity. : The central bar or terminal where all