Which two reasons make mesh bonding systems most effective? (Choose two.)

Question

Options

• Acover wide areas
• Bprovide additional strength to floor structures
• Cprovide low-impedance noise-equalizing paths
• Dcreate equipotential grounding systems
• Emost cost-effective approach

• A
  8% (3)
• B
  3% (1)
• C
  87% (33)
• E
  3% (1)

Explanation

Mesh bonding systems are most effective because they establish equipotential grounding (D), ensuring all bonded points share the same electrical potential and eliminating dangerous voltage differences between equipment - and they accomplish this through low-impedance, noise-equalizing paths (C), where the interconnected grid of conductors provides multiple parallel routes that minimize impedance and suppress electromagnetic interference. The distractors fall short: covering wide areas (A) is a characteristic of some bonding layouts but not a reason mesh bonding is effective; providing floor structural strength (B) is a construction/civil concern entirely unrelated to electrical bonding; and mesh bonding is actually more expensive than simpler star or daisy-chain topologies, making "most cost-effective" (E) factually incorrect. A helpful memory tip: think of mesh bonding as a fishing net - every knot (connection point) is at the same level (equipotential), and the net's many strands give current numerous low-resistance paths to flow (low-impedance), which is exactly why it outperforms a single-line approach.

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