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Concrete encased electrode 200200 Main 20’ 250.8 NEC “Equipment Grounding Conductors, grounding electrode conductors and bonding jumpers shall be connected.

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Presentation on theme: "Concrete encased electrode 200200 Main 20’ 250.8 NEC “Equipment Grounding Conductors, grounding electrode conductors and bonding jumpers shall be connected."— Presentation transcript:

1 Concrete encased electrode 200200 Main 20’ 250.8 NEC “Equipment Grounding Conductors, grounding electrode conductors and bonding jumpers shall be connected by one or more of the following means”. 4 AWG 250.52(A)(3) 15 20 15 30 20 60 15 200200 Copyright Kenny Clamp LLC January 2014 Improved Kenny Clamp ® Grounding and Bonding Connector 312.5(A) NEC “Openings through which conductors enter shall be closed in an approved manner” Complies with the UL 467 Standard for “Grounding and Bonding Equipment” and the UL White Book requirements Kenny Clamp Phone 410-741-9551 E-mail kenny.clamp@gmail.com US Patent No. 7595455

2 Main 15 20 15 30 20 60 15 200200 kenny.clamp@gmail.com H 2 0 pipe Kenny Clamp ® Grounding and Bonding Connector 250.66 NEC ® 250.53 (D)(2) 6 AWG 250.52 (A)(1) 310.15(B)(7) & T-310.15 (B)(16) 2/0 XHHW CU 6 AWG Improved Kenny Clamp 4 AWG 10’ Direct contact with earth Ground Rod 312.5(A) NEC “Openings through which conductors enter shall be closed in an approved manner” Complies with the UL 467 Standard for “Grounding and Bonding Equipment” and the UL White Book requirements Complies with the UL 486(A) Connector Standard Phone 410-741-9551 Fax 410-741-1240 200200 US Patent No. 7595455

3 33 600 Volt Rated XO H1 H2 H3 X1 X2 X3 75 KVA Main Structural Steel Water pipe Copyright © 2014 Wayne H. Robinson Seminars Kenny Clamp ® Selection of the Kenny Clamp ® Grounding and Bonding Connector For Separately Derived Systems Phone 410-741-9551 E-mail kenny.clamp@gmail.com US Patent No. 7595455 Improved Kenny Clamp ® 2 AWG Connector NEC ® 250.8, 312.5(A) UL 467 & UL 486(A) Standards 100 Ampere fuses 4/0 Cu THW 75 0 C derived phase conductors 225 Ampere Main Breaker Panelboard 3 AWG Cu THW 75 0 C conductors 250.104 (D)(1) Fax 410-741-1240

4 KENNY CLAMP ® Grounded Conductor C phase A phase B phase Grounding Bar Water Pipe 3/0 Grounding Electrode Conductor Patented Improved Kenny Clamp ® Connector 1200 ampereSwitch Board 250.64 (E)(1) Labor Saving No need to install the 3/0 conductor thru a bond bushing First 5 feet Rigid Metal Conduit Copyright © Kenny Clamp LLC January 2014 Phone 410-741-9551 Fax 410-741-1240 E-mail kenny.clamp@gmail.com US Patent No. 7595455

5 Fire Pump Connection to Service Rated Fire Pump Controller Service Rated Fire Pump Controller 20’ 5’ Pressure Maintenance Jockey or Make-up Pump Fed from separate source Meter or CT Cabinet Utility Transformer Grounded Conductor Brought to Service Equipment 250.24(C) NEC Grounding Electrode Conductors 250.52(A)(1) NEC 250.52(A)(3) NEC Service Conductors Fire Pump Room Kenny Clamp Grounding and Bonding Connector Branch Circuit Conductors Rated @ 125% of Fire Pump FLC Rating 430.22 NEC Kenny Clamp ® Grounding and Bonding Connector Phone 410-741-9551 Fax 410-741-1240 US Patent No. 7595455 E-mail kenny.clamp@gmail.com NFPA 20 Locked Rotor Overcurrent Protection 10.4.4

6 Main 15 20 15 30 20 60 15 200200 Kenny.clamp@gmail.com H 2 0 pipe 400 Ampere Tran-socket 5’ Water Meter Kenny Clamp ® Grounding and Bonding Connector Kenny Clamp® 600 KCMIL 1/0 AWG 250.66 Connector 200 Ampere Fuses 6 AWG 400 A Neutral Buss 1/0 T-250.102(C)(1) Supply-side Bonding Jumper 3/0 THW Phone 410-741-9551 Fax 410-741-1240 US Patent No. 7595455

7 225225 2222522225 Neutral Terminal Block 225225 500 KCMIL CU4/0 CU 225 A OCPD 1/0 Supply-Side Bonding Jumper Typical Main Bonding Jumper 2 AWG 225225 Copyright © 2014 Wayne H. Robinson Seminars Kenny Clamp ® Grounding and Bonding Connector Phone 410-741-9551 Fax 410-741-1240 Kenny.clamp@gmail.com

8 Concrete encased electrode 20’ MAIN 200 15 20 15 20 30 50 KENNY CLAMP ® GROUNDING AND BONDING CONNECTOR E-mail kenny.clamp@gmail.com 2/0 copper 310.15(B)(16) & 310.15(B)(7) 4 AWG 250.52(A)(3) NEC Complies with UL 467 Grounding and Bonding Standard Ph 410-741-9551 Fax 410-741-1240 US Patent No. 7595455 312.5(A) NEC “Openings through which conductors enter shall be closed in an approved manner” 250.8 NEC “Equipment Grounding Conductors, grounding electrode conductors and bonding jumpers shall be connected by one or more of the following means”.


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