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