Blackburn Grounding Ground Electrode Boxes WIKI STANDARD DESCRIPTION LB. [3 PACKAGE ie b Blackburn® Grounding Systems Streamlined design reduces driving friction, Type C — Sectional Ground Rod Couplings » Threaded couplings of high-strength, corrosion-resistant alloy = Tapped for use on all standard threaded sectional rods Oe CAT. NO, SIZE (NOMINAL DIAMETER) THREAD SIZE B00 on a SCULL! " HOS 0c BiB NAS Connectors & Grounding Use with all standard threaded couplings.
