WP 10875

A wire braid was used to ground some of the electronics at EX to help with noise hunting efforts. Three wire braid cables were pulled from the isolated grounding terminal to the following racks:

1. ISC-C1
2. TCS-C1
3. FAC-C1

See attached picture of how the wire braid was connected to ring terminals to ensure a good connection to each chassis. This method provides a low resistance path to the terminal block. A list of electronics that had grounding modified:

1. ISC-C1 rack, all chassis except the IO chassis were grounded
2. TCS-C1 rack, slow controls chassis, slow controls concentrator, and Safety System Controls Interface Chassis were grounded
3. FAC-C1 rack, Safety System Controls Chassis was grounded.

See entries in DCC for a list of electronics installed in each rack.

ISC-C1 S1301905
TCS-C1 S1301906
FAC-C1 S1301908