Section 105 in The Petroleum And Natural Gas (Safety In Offshore Operations) Rules, 2008
105. Electrical systems .-(1) The electrical systems shall be designed with safeguards and other protection in line with the classification of hazardous area in such a manner that abnormal conditions and failures that may entail a danger to the personnel and to the facility are avoided.
(2)The systems shall be designed with sufficient protection against, inter alia-(a)electric shock during normal operation and in the event of failure;(b)thermal effects;(c)overcurrent;(d)fault currents;(e)overvoltage;(f)undervoltage;(g)voltage and frequency variations;(h)power supply failure;(i)ignition of explosive gas atmosphere;(j)electromagnetic interference;(k)health injury from electromagnetic fields.
