... physical damage applicable to various classifications of service provider (eg gas, water, financial, health etc) Loss Lo2 relates to losses due to failure of internal systems applicable to various ... conductors to each other or to metallic installations Conventional earth impedance Ratio of the peak values of the earth termination voltage and the earth termination current, which in general, not ... – Unacceptable loss of service to the public L f1(Z3) = 2 .97 × 10−3 In the absence of any information relating to the time that occupants are in a hazardous place with respect to step and touch...