WP 11671
SUS HAM 5-6 System Wiring Diagrams D1002740
Grounding and Shielding at LIGO T1200131

The following cables were checked for ground loops:

SUS_HAM6_010 (OMC Top/Left)
SUS_HAM6_011 (OMC Right/Side)
ISC_236 (OM1)
ISC_237 (OM2)
ISC_238 (OM3)

No shorts found. All pins open to ground. Pins 13 tied to shell. HAM 5-6 System Wiring Diagrams D1002740-v10 used as reference. See alog 75684, for details on testing of ISC ground loops done by keita.