Which is NOT a correct statement about ladder rack?
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a. Ladder rack can be substituted with D rings
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b. Ladder rack should be installed on every wall in the TR.
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c. Ladder rack may be supported from the ceiling
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d. Ladder rack should be anchored to the top of each equipment rack.
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e. Ladder rack can support large backbone cabled passing vertically through a room. - ✔✔C
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The RECOMMENDED thickness for plywood backboard is?
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A. 6mm (1/4in)
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B. 13mm (1/2in)
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C. 19mm (3/4in)
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D. 25mm (1in)
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E. 38mm (1 1/2in) - ✔✔C
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Which grade of plywood has knotholes cut out and replaced with a clean patch of wood?
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A. Grade A
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B. Grade B
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C: Grade C
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D. Grade D
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E. Exterior Grade - ✔✔B
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A D ring is defined as:
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A. A signal bell using up to four frequencies
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, B. The ringing cycle for a four party service telephone
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C. A device used to support small bundles of cables and cross connections
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D. A ring manufactured by the DuPont Corporation
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E. A cable management structure for armored cable - ✔✔C
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Mushrooms are used for? || || ||
A. Blow pull strings through conduits
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B. The ringing cycle for a four party service telephone
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C. A device used to support small bundles of cables and cross connections
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D. A ring manufactured by the Dunpont Corporation
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E. A cable management structure for armored cable - ✔✔C
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A mushroom is an alternate for?
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A. D ring
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B. Cable guide
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C: Bride ring
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D. Wire guide
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E. Half D Ring - ✔✔E
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The equipment room is the:
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A. Staging area for materials
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B. Point in upper floors that houses horizontal cross connections
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C. Centralized space for telecommunications equipment that serves the occupants of a
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building
D. Room that only houses the Loacl Exchange Carriers entrances cables - ✔✔C
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