CORNING EDGE 매뉴얼 - 페이지 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