GrahamH

GrahamH club

Posted: 02 Jan 2016


Taken: 05 Dec 2015

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1/160 f/5.9 20.0 mm ISO 100

Canon PowerShot A1200

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pit
lead
toowoomba
wipe
cable
telecommunications
telstra
solder
telecoms
insulated
jointer
qld
repair
paper
tech
australia
underground
queensland
jumper
wire
technician
pillar
joint
nbn
telecom


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WipeJoint122015 0929

WipeJoint122015 0929
Both cables are now repaired and holding air pressure. The schrader valves enable pressure to be measured, estimated by testing for outflow or used to attach a cylinder of compressed dry air if the supply fed through the cable from the telephone exchange is isolated. See notes.

The fibre cables will not be returned to the pit but will remain on the ground until more pits or some other solution to the lack of space is found.

The jointer uses an LPG torch to melt solder (60 lead/ 40 tin) which is wiped around the cable, using a piece of hide to build a thickness of solder which seals the cable and gives some strength to the joint. Sterene, a fat based product, is melted onto the work to assist the wiping process.

Paper insulated lead-covered cable was damaged by NBN builders placing too much gear in the cable pit. Cable jointers from Telstra are repairing the water-damaged circuits. They were working at this and another nearby junction pit and pillar.

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