L1 is mandatory in several countries. By the same L1 circuit one or many other(s)
light indicator(s) have to be mounted inside the examination room and have to be
visible from anywhere by operators.
It is recommended to separate the two power supply cables from the other cables.
2.2 Typical PDB (Europe CE)
Typical PDB (Europe CE) - model number XR_765_3
Innova 2100-IQ, 3100/3100-IQ, 4100/4100-IQ Cardiovascular Imaging System Pre-Installation Manual
GE Healthcare Direction 5160944-13-1EN, Revision 2
Chapter 6 Electrical Connections 169