Power Distribution Block For Conductor Material Aluminum Copper Line Connections/Pole 1 For Line Copper Wire Size - Minimum 6 AWG For Line Copper Wire Size - Maximum 350 kcmil Load Connections/Pole 12 For Load Copper Wire Size - Minimum 14 AWG For Load Copper Wire Size - Maximum 4 AWG Maximum Current - Copper Conductor 310 A Maximum Voltage 600 V AC/DC Number of Poles 2 Overall Depth 2 in Overall Length 2 in Overall Width 3 in UL 94 Flammability Rating V-0 Housing Color Black