ADTRAN 25 manual Secondary Protection, AC Power Distribution-Multiple Cabinet System

INSTALLATION

Secondary Protection

External secondary protection, located at the trunk access area of the System 25 cross-connect field, is required for all trunks and off-premises lines. Refer to Table 2-Bfor approved trunk protectors.

FROM AC LOAD CENTER (TWO SEPARATELY FUSED 15 AMP CIRCUITS)

	H	GROUND	I
CENTER II		(GREEN)	I
LOAD		(#14 AWG)

SINGLE

POINT

GROUND

/TO CABINET NO. 1

GROUND BAR MOUNTED ‘ GROUND BLOCK (MAX.

ON 4“ BOX (SQUARE D LENGTH = 20 FT . )

PK9GTA OR APPROVED

EQUIVALENT)

4“ BOX (RACO 230

OR EQUIVALENT)

HUBBELL RECPTS. ( 5262 15 AMP OR EQUIVALENT)

4“ COVER (RACO 807

OR EQUIVALENT)

APPROVED BUILDING GROUND (#6 AWG, COPPER)

Figure 2-9. AC Power Distribution—Multiple Cabinet System

2-21