Presented by: Dan McMenamin
President Dan McMenamin and Associates, Inc.
Engineering Grounds for Bonding Grounds: Techniques solidly grounded in science (and experience).
PEG 2017 Dallas, Texas March 14-16, 2017
Difference in Potential
Induction If gate is unbonded, it ‘looks’ like a switch.
Bonding
Substations
WTF?
Why The Fire?
Warning: Graphic injury image ahead
Ouch!
Courtesy: Pentair Inc.
Backflash
NFPA 70
Intersystem Bonding Termination(s)
Residential
Telco C.O.
Dangerous: Unbonded ground systems
Water Main
OPGP Bus
C.O. Grd Bars
Summary • Bonding and grounding are all about safety
and equipment health & performance.
• Avoid confusion: always consult the latest relevant documentation.
