Emerson Process Management Bristol Series 9110 - Manual (Page 62)

4 / Supplement S1400
GROUND BED
CONDUCTOR
GROUNDING BUS
1" COPPER
RADIUS = 12 IN.
AWG 4
OR LARGER
STRANDED COPPER CABLE
AWG 0000
AWG 10
COPPER WIRE
SMOOTHLY
DRESSED
AT DEMARKATION POINT,
INSTALL COMMUNICATIONS
LIGHTNING ARRESTER (S)
ON POLE OR OUTSIDE OF
BUILDING.
COMMUNICATIONS
GROUND ROD
CLAMP OR BRAZE
RADIUS = 12 IN.
GROUND BED CONDUCTOR
STRANDED COPPER CABLE
AWG 0000
PHONE LINE(S)
Figure 3 Grounding of Equipment Housing
Figure 4 Grounding of Phone Line