A first powered device (200, 300, 401) configured to receive power from a first multi-conductor cable (204, 304, 404) and communicate information over the first multi-conductor cable (204, 304, 404), the first powered device (200, 300, 401) comprising: a first connector (208, 308, 408) to connect the first multi-conductor cable (204, 304, 404) to the first powered device (200, 300, 401); and first device circuits partitioned into a first partition (212, 312, 412) and a second partition (212, 312, 412); wherein the first powered device (200, 300, 401) is configured to receive power from a first cable circuit (202-1, 302-1, 402-1) and a second cable circuit (202-2, 302-2, 402-2) provided over the first multi-conductor cable (202, 302, 402), the first powered device (200, 300, 401) configured to separately power the first partition (212, 312, 412) using power received from the first cable circuit (202-1, 302-1, 402-1) and power the second partition (212, 312, 412) using power received from the second cable circuit (202-2, 302-2, 402-2) characterized in that the first powered device is configured to power isolate the first cable circuit (202-1, 302-1, 402-1) from the second cable circuit (202-2, 302-2, 402-2), wherein the first partition (212, 312, 412) is configured to consume less power than the first cable circuit (202-1, 302-1, 402-1) can provide, and the second partition (212, 312, 412) is configured to consume less power than the second cable circuit (202-2, 302-2, 402-2) can provide; and wherein the first powered device (200, 300, 401) further comprises at least one isolation device (214, 314, 414) coupled to the first partition and the second partition (212, 312, 412) and configured to enable information to be communicated between the first partition and the second partition (212, 312, 412). a first connector (208, 308, 408) to connect the first multi-conductor cable (204, 304, 404) to the first powered device (200, 300, 401); and first device circuits partitioned into a first partition (212, 312, 412) and a second partition (212, 312, 412); wherein the first powered device (200, 300, 401) is configured to receive power from a first cable circuit (202-1, 302-1, 402-1) and a second cable circuit (202-2, 302-2, 402-2) provided over the first multi-conductor cable (202, 302, 402), the first powered device (200, 300, 401) configured to separately power the first partition (212, 312, 412) using power received from the first cable circuit (202-1, 302-1, 402-1) and power the second partition (212, 312, 412) using power received from the second cable circuit (202-2, 302-2, 402-2) characterized in that the first powered device is configured to power isolate the first cable circuit (202-1, 302-1, 402-1) from the second cable circuit (202-2, 302-2, 402-2), wherein the first partition (212, 312, 412) is configured to consume less power than the first cable circuit (202-1, 302-1, 402-1) can provide, and the second partition (212, 312, 412) is configured to consume less power than the second cable circuit (202-2, 302-2, 402-2) can provide; and wherein the first powered device (200, 300, 401) further comprises at least one isolation device (214, 314, 414) coupled to the first partition and the second partition (212, 312, 412) and configured to enable information to be communicated between the first partition and the second partition (212, 312, 412).