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Under California's seismic requirements, electrical equipment weighing more than 400 pounds and mounted more than 4 feet above the floor must be:

Correct Answer

D) Anchored and braced according to CBC Chapter 13

California Building Code Chapter 13 requires electrical equipment exceeding 400 pounds and mounted above 4 feet to be properly anchored and seismically braced. This includes transformers, large panels, and switchgear to prevent failure during seismic events, protecting both equipment and occupants.

Answer Options
A
Located in a separate seismic isolation room
B
Mounted only on exterior walls
C
Installed with flexible conduit connections only
D
Anchored and braced according to CBC Chapter 13

Why This Is the Correct Answer

California Building Code Chapter 13 requires electrical equipment exceeding 400 pounds and mounted above 4 feet to be properly anchored and seismically braced. This includes transformers, large panels, and switchgear to prevent failure during seismic events, protecting both equipment and occupants.

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