Thanks for the post, 'lec', that's good info.
: First, I do not have a copy of the current Canadian Electrical
: would call a Provincial or local building official for a proper
: But in the USA....
: Using solder on stranded building wire used in building
: systems is not a normal trade practice. First, it is not
: and secondly, there are too many different methods and
: can be used to solder. Soldering can be more damaging than
: not done properly. For instance wicking can cause wires to
: brittle and permit breakage. There are many alloys of solder
: requiring the use of resin core others the use of acid for
: Soldering, in short, introduces a whole range of variables that
: be controlled in the field. But the main reason it is not done
: simply takes too much time and is not necessary. For splicing,
: nuts are commonly used. For terminations, buy receptacles and
: that are listed for use with stranded wire. If you have to use
: wire for terminations, then attach a pigtail then wire nut the
: wire to the stranded wire. Better yet, replace the stranded
: solid. The NEC Section requiring that the listing instructions
: followed is 110.3(B). This has been in the (USA) National
: Code for as long as I can remember.
: >From the 2005 NEC
: 110.3(B) Installation and Use. Listed or labeled equipment
: shall be installed and used in accordance with any instructions
: included in the listing or labeling.
: 110.14 Electrical Connections. Because of different
: of dissimilar metals, devices such as pressure
: terminal or pressure splicing connectors and soldering lugs
: shall be identified for the material of the conductor and
: shall be properly installed and used. Conductors of dissimilar
: metals shall not be intermixed in a terminal or splicing
: connector where physical contact occurs between dissimilar
: conductors (such as copper and aluminum, copper and
: copper-clad aluminum, or aluminum and copper-clad aluminum),
: unless the device is identified for the purpose and
: conditions of use. Materials such as solder, fluxes,
: and compounds, where employed, shall be suitable for
: the use and shall be of a type that will not adversely affect
: the conductors, installation, or equipment.
: FPN: Many terminations and equipment are marked with
: a tightening torque.
: (A) Terminals. Connection of conductors to terminal parts
: shall ensure a thoroughly good connection without damaging
: the conductors and shall be made by means of pressure
: (including set-screw type), solder lugs, or splices to
: flexible leads. Connection by means of wire-binding screws or
: studs and nuts that have upturned lugs or the equivalent shall
: be permitted for 10 AWG or smaller conductors.
: Terminals for more than one conductor and terminals
: used to connect aluminum shall be so identified.