A 30-foot building has a Condition 2a (2)
metal light fixture located
23 feet from the ground.
Which condition is used to
determine if the light fixture
must be bonded to the
LPS? Refer to the bonding
job aid as required.
A 30-foot tall building is at least 6 feet
protected by a catenary
system. How far from the
building should the masts
be placed?
Calculate the BBF to Bonding distance for the metal roof vent is 1 foot 8
determine if bonding is inches. Bonding is required.
required for the scenario
below. Use a calculator, the
BBF equation aid, and the
bonding job aid as required.
• The metal vent is 15 feet
high.
• There are 2 down
conductors at the proper
spacing.
• The vent is 12 inches (1
foot) from a conductor
through air.
, During the inspection, The air terminal is not attached to a conductor.
John's team logged a
discrepancy for this air
terminal. Why?
For best accuracy, how Ten test: Five electrode-to-electrode tests and five
many individual resistance electrode-to-ground tests
tests are recommended for
a conductive floor?
Refer to DA PAM 385-64,
Section C-3 as required.
How long must LPS test 6 inspection cycles
results be kept on file?
How many down 4
conductors are required for
a building with a perimeter
length of 325 feet?
How many down 5
conductors are required for
a building with a perimeter
length of 425 feet?
How often is a 3-point fall- Every 24 months
of-potential earth
resistance test required on
an LPS?
How often is a bonding Every 24 months
resistance test required on
an LPS?
How often is a conductive Every 6 months
floor electrical test required
in an ESD-sensitive
operating facility?
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