: ground clamp
99. 30% coupon applied at checkout. Save 30% with coupon. Get it as soon as Thu, Sep 16. FREE Shipping on orders over $25 shipped by Amazon. Morris Products 90629 Ground Pipe Clamp, For Direct Burial, 1/2 - 1" Water Pipe Range, 2 -10 Wire Range, 1/4 - 2/0 Screw Thread (3) 4.6 out of 5 stars. 27.