ground block in a sentence

• The drop is then connected to the house where a ground block protects the system from stray voltages.
• In 1856 57 an improvement over speculum mirrors was invented when Karl August von Steinheil and L閛n Foucault introduced the process of depositing an ultra thin layer of silver ( silvering ) on the front surface ( first surface ) of a ground block of glass.
• There were the promised pieces of cable, 4plastic wire ties, a compass, 4 lag screws, a ground block, 15 feet of ground wire, 25 feet of phone wire, a 6-foot video cable and a dual connector for the phone so that DirecTV could monitor the receiver for billing purposes.
• There were the promised pieces of cable, four plastic wire ties, a compass, four lag screws, a ground block, 15 feet of ground wire, 25 feet of phone wire, a 6-foot video cable and a dual connector for the phone so that DirecTV could monitor the receiver for billing purposes.
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