What size bonding conductor is required to connect the bonding bushings installed on the steel conduit on the line side of a 200 amp 480/277 volt service disconnect with 3/0 copper service entrance conductors?
Also,the service will be fed with a underground latteral in 2" pvc with a section of 2" ridged conduit up the power company's pole. What is the method for bonding that ridged riser conduit.Is a ground clamp at the top of the conduit all that is needed for the poco to connect to?