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Western Union or Lineman splice was developed during the introduction of the telegraph to mechanically and electrically terminate aerial conductors that were subject to loading stress. The wrapping pattern is designed to cause the termination to tighten as the conductors pull against each other. This type of splice is more suited to solid, rather than stranded conductors, and is fairly difficult to complete.
A cross joint is a joint between ends of two concrete masonry units.
ordinary tee joint
Silver-brazed "T" joints, representing the first stage in the construction of intermaxillary hooks were fabricated under rigorously controlled conditions. Their tensile and shear strengths were then measured using specially developed test jigs.
The married joint is an electrical joint used for joining multi-strand cables. The wires are unstranded, then interlaced with the wires of the other cable, and then married (twisted) together before finally being soldered.
A rat-tail splice, also known as a twist splice or a pig-tail splice, is a very basic electrical splice that can be done with both solid andstranded wire. It is made by taking two or more bare wires of the same diameter and wrapping them together symmetrically around each a common axis. The bare splice can be insulated with electrical tape or other means.
The Britannia joint is a form of electrical joint used for bare overhead wires where great tensile strength is required. The two wires are each tinned, and then each have a short shoulder bent in them, and are thenbound together with tinned wire before the whole is soldered.
The scarf joint is a form of electrical joint used for joining thick wires where there is no strain on the wire, and the bulkiness of the Britannia joint is an objection. The ends of each wire are filed to a flat chamfer, so that when placed together they fit exactly, and are then bound with tinned copper binding wire before being soldered.
The fixture splice is used...
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