Rule 68
Warning Indication Board
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(1) The licensee shall hang a warning  indication board in Nepalese and English language on the following de vices
and places:-
(a) On motor, generator, transformer and other kinds of plants and  also on the equipments required to operate and control them,
(b) On poles through which lines of more than 400 volts are passing   and on the line-board where the tube for X-ray has been installed  or on other plants of such high frequency.
(2) If warning indication board is not possible to be hanged on all  equipments mentioned in Clause (b) of sub-rule (1), it shall be hanged at a  place nearby or at entrance to the place where such equipments have been
installed.