CORNING EDGE Посібник - Сторінка 6

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Step 3:
Determine mounting location of FZB
in the ceiling and remove two ceiling
panels or tiles (Figure 9).
Step 4:
Measure distance to building "red-iron" or other structural or supporting elements. Use this
measurement, plus any slack length required for tieing the wire or installing nuts on threaded
rod, to determine the length of each of the four support wires or rods.
Step 5:
Attach the tie wires (or threaded rod) to the supporting element. Tie wires are simply tied
or wrapped around the supporting truss or girder. In the case of threaded rods, use a
supporting bracket and hardware compliant with the manufacturer's instructions.
Step 6:
Tilt the FZB at an angle to allow it to pass through with the trim plates and mounting
brackets installed. Pass the box
through the opening in the ceiling
(Figure 10).
Step 7:
Position the box in place so that
the trim plates rest directly on the
suspended ceiling stringers or cross
members while attaching the primary
support wires or rods.
STANDARD RECOMMENDED PROCEDURE 003-825-AEN | ISSUE 7 | NOVEMBER 2020 | PAGE 6 OF 11
Figure 9
Figure 10