A cable breakout assembly, comprising: a breakout device (136, 162) configured to receive a primary cable (116, 160) and connect a primary power lines in the primary cable (116, 160) with secondary power lines in multiple secondary cables (144, 152), a surge protection system located within the breakout device (136, 162); characterized in that the surge protection system comprises a DC power line, a return power line, a ground line and a surge protection device, wherein the surge protection device electrically connects the DC power line with the return power line and/or the ground line; the breakout device (136, 162) is provided in an enclosure including: a first power distribution terminal coupled to the DC power line and configured to electrically connect together all the primary power lines in a primary cable having multiple primary power lines and multiple primary return power lines; a second power distribution terminal coupled to the DC power line and configured to electrically connect together all the secondary power lines from the multiple secondary power cables; a third power distribution terminal coupled to the return power line and configured to electrically connect together all the return power lines from the multiple secondary power cables (144, 152); and a fourth power distribution terminal coupled to the return power line and configured to electrically connect together all the primary return power lines in the primary cable having multiple primary power lines and multiple primary return power lines. a breakout device (136, 162) configured to receive a primary cable (116, 160) and connect a primary power lines in the primary cable (116, 160) with secondary power lines in multiple secondary cables (144, 152), a surge protection system located within the breakout device (136, 162); characterized in that the surge protection system comprises a DC power line, a return power line, a ground line and a surge protection device, wherein the surge protection device electrically connects the DC power line with the return power line and/or the ground line; the breakout device (136, 162) is provided in an enclosure including: a first power distribution terminal coupled to the DC power line and configured to electrically connect together all the primary power lines in a primary cable having multiple primary power lines and multiple primary return power lines; a second power distribution terminal coupled to the DC power line and configured to electrically connect together all the secondary power lines from the multiple secondary power cables; a third power distribution terminal coupled to the return power line and configured to electrically connect together all the return power lines from the multiple secondary power cables (144, 152); and a fourth power distribution terminal coupled to the return power line and configured to electrically connect together all the primary return power lines in the primary cable having multiple primary power lines and multiple primary return power lines. a first power distribution terminal coupled to the DC power line and configured to electrically connect together all the primary power lines in a primary cable having multiple primary power lines and multiple primary return power lines; a second power distribution terminal coupled to the DC power line and configured to electrically connect together all the secondary power lines from the multiple secondary power cables; a third power distribution terminal coupled to the return power line and configured to electrically connect together all the return power lines from the multiple secondary power cables (144, 152); and a fourth power distribution terminal coupled to the return power line and configured to electrically connect together all the primary return power lines in the primary cable having multiple primary power lines and multiple primary return power lines.