A system integration approach of a BAS on to a LAN can usually reduce the cost of cabling- related changes by

Question

Options

• A10 to 20 percent
• B25 to 40 percent
• C45 percent
• D50 percent

• A
  16% (6)
• B
  73% (27)
• C
  8% (3)
• D
  3% (1)

Explanation

Integrating a Building Automation System (BAS) onto an existing LAN leverages shared network infrastructure, eliminating the need for separate dedicated proprietary cabling runs throughout a facility. Industry standards and studies consistently cite a 25 to 40 percent reduction as the realistic and validated range for cabling-related cost savings when this integration approach is used. Option A (10 to 20 percent) understates the savings and reflects only minor or partial integration scenarios, not full LAN-based integration. Options C (45 percent) and D (50 percent) overstate the benefit, as practical constraints such as required dedicated runs, conduit sharing limits, and site-specific factors prevent savings from reaching those levels. Memory tip: think of 25 to 40 as the "quarter to four-tenths" rule - meaningful savings, but not half, because you still need some dedicated infrastructure even on a shared LAN.

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