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What information does the cable comparison guide provide?
Info on the most current cables authorized for shipboard use
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If a cable is no longer used, what section of the cable comparison guide will show you what cable type to replace it with?
Supersession Data
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What does 'LSDSU' stand for?
Low smoke, double conductor, silicone, unarmored
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What does 'LSMSA' stand for?
Low smoke, multiple, silicone, armored
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What does 'TTSU-10' stand for?
Twisted telephone pairs, silicone, unarmored
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What does the '10' in 'LSTTSU-10' stand for?
10 pairs of conductors
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What is the purpose of cable maintenance?
To keep insulation resistance as high as possible
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What is used to test IC cables?
500V Megger
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What is used to test cable which is connected to CKTs with semiconductor control devices?
Electron tube megohmeter
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What is used to test cable in sound powered systems?
Multimeter
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When should cable insulation tests be performed?
Periodically to determine the condition of the cable
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What factors affect insulation resistance?
- Length
- Temperature of cable
- Equipment connected in the CKT
- Type of cable
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What is always required with shock mounting?
Grounding straps
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What ensures a water tight seal between the stuffing tube and enclosure?
Neoprene 'O' ring and locking nut
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What ensures a water tight seal between the stuffing tube and cable?
Neoprene packing and packing cap
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What squeezes the packing between the cable and stuffing tube?
Packing cap
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What allows entry into splash proof, submersible, explosion proof equip, and ensures enclosures are watertight?
Stuffing tubes
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What is installed vertically and protects cable against mechanical damage?
Deck risers
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What is used as a method to support cable and is required to be watertight, fireproof, and air tight?
Modular cable supports
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What does the 'C' represent in 'C-MB-144?'
Service Letter
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What does the 'LC' represent in 'C-LC-47?'
CKT Letter
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What does '49' represent in 'C-FD-49?'
Cable number
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What provides easy identification of cables for purposes of repair and maintenance of CKTs?
Cable tages
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