Section 199(7) in The Coal Mines Regulations, 2011
(7)The Shotfirer shall -(a)retain the key of the firing apparatus in his possession throughout his shift;(b)use a well-insulated cable of sufficient length to permit him to take proper shelter and in case of belowground working sufficient to take two right angle turns of pillar, and in no case, shall this cable be less than 50 meters in length;(c)before coupling the cable to the firing apparatus, couple up the cable itself to the detonator leads;(d)take care to prevent the cable from coming into contact with any power or lighting cable or other electrical apparatus;(e)take adequate precautions to protect electrical conductors and apparatus from injury;(f)himself couple the cable to the firing apparatus and before doing so, see that all persons ill the vicinity have taken proper shelter as provided under regulation 200; and(g)after firing the shots and before entering the place of firing, disconnect the cable from the firing apparatus.
