NEMA PH 30-1971
GALVANIZED FERROUS GROUND RODS

Standard No.

NEMA PH 30-1971

Release Date

1971

Published By

NEMA - National Electrical Manufacturers Association

Latest

NEMA PH 30-1971

NEMA PH 30-1971 history

• 1971 NEMA PH 30-1971 GALVANIZED FERROUS GROUND RODS