_____ should be provided as the working space of the main switchboard according to Indian electricity rule section 51.
Right Answer is:
Every switchboard shall comply with the following provisions, namely: –
(i) A clear space of not less than 1 meter in width shall be provided in front of the switchboard.
(ii) If there are any attachments or bare connections at the back of the switchboard, the space (if any) behind the switchboard shall be either less than 20 centimeters or more than 75 centimeters in width, measured from the farthest outstanding part of any attachment or conductor.
(iii) If the space behind the switchboard exceeds 75 centimeters in width, there shall be a passage way from either end of the switchboard clear to a height of 1.8 meters.