The patented ERITECH® HAMMERLOCK grounding connector connects the grounding conductor to the ground rod, and is designed to withstand ground fault currents and lightning transients. ERITECH HAMMERLOCK’s mechanically rugged design will help ensure that the highest level of performance is maintained for many years after the connection has been buried in the harsh underground environment.

• Machined from 100% high conductivity copper
• Excellent mechanical strength
• Irreversible connection
• Fast and simple installation requires only a hammer
• No training required
• Provides a visual indication of completed connection
• Allows for “T” or pass-through connections
• UL® Listed
• http://www.erico.com/products/HAMMERLOCK.asp
• erico_hammerlock.pdf

• EHL58C1K for copper 5/8“ rod, #4-6 wire – $11-16 (Amazon.com, Grainger, other electrical supply)