Reports until 13:51, Tuesday 12 March 2019
H1 SUS (ISC)
filiberto.clara@LIGO.ORG - posted 13:51, Tuesday 12 March 2019 (47463)
ESD Grounding at End-Y

WP 8120

ESD electronics grounding was isolated and a single ground connection to beam tube was made. Same work previously done at EX, alog 47308.

1. Removed rack ground to all power supplies
2. Cable SUS-ETMX-90 had pin 8 removed
3. Installed shelving and nylon screws to both the LN ESD driver and HV UK driver
4. Junction box front panel had to be removed and reattached to isolate the SHV connectors from ground
5. With all power and signal cables connected, verified electronics were isolated. Ran single cable to beamtube for reference ground.

F. Clara, P. King, R. McCarthy