S-3, r. 1 - Amusement Rides Regulation

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55. Notwithstanding the Electrical Code requirements, the bonding of an itinerant ride may also be done according to one of the following:
(1)  a loop-shaped copper conductor at least equal in size to that mentioned in Table 16 of the Electrical Code but no less than No. 6 AWG and installed so as to form a loop around the ride or around the group of rides connected to the supply system of those rides. The ends of the loop shall be connected to a block whose terminals are connected to the grounded neutral conductor of the supply system.
The noncurrent-carrying metallic parts of the supply system and of the rides, connected to the system shall be connected to the loop-shaped conductor by means of a copper conductor at least equal in size to that mentioned in Table 16 of the Electrical Code but no less than No. 6 AWG;
(2)  an insulated copper conductor, attached to the supply cable, at least equal in size to that mentioned in Table 16 of the Electrical Code but no less than No. 6 AWG.
O.C. 649-91, s. 55.