Electrical safety testing that all connections are sound. Live testing Earth fault loop impedance testing: this test is to check that if a fault did occur, that the system meets requirements to cause a disconnection of the supply within the time limit specified RCD testing: on modern electrical systems RCD’s and RCBO’s are regularly fitted, these devices react to electricity missing from the circuit or installation such as when a person is receiving an electric shock as the electricity passes through his body to the ground (earth). The competent person will then issue an Electrical Installation Condition Report (EICR) also known as Periodic
USNS Safeguard (T-ARS-50) waterline is ice-strengthened. USNS "Safeguard's" sister ships are the USNS "Grasp" (T-ARS-51), USNS "Salvor" (T-ARS-52), USNS "Grapple" (T-ARS-53). On 26 September 2007 USS "Safeguard" was transferred to the Military Sealift Command as USNS "Safeguard" (T-ARS-50). Like all Safeguard class rescue and salvage ships, "Safeguard" serves as an element of the United States Navy's Combat Logistics Support Force and provides rescue and salvage services to the fleet at sea. She also supported the protection of forces ashore through post-assault salvage operations in close proximity to the shore. She is designed to perform combat salvage, lifting, towing, off-ship firefighting, manned diving operations,