H
holmslaw
..
These are different contructions of a single conductor for the same cross sectional area.
Single as in standard twin and earth
Multiwire as in the old 7/029 fixed cable
Fine as in between 7 and 21 wires in a fexible conductor not continuously being flexed
Very fine as 21 to as many as 100 or more wires per conductor in a very flexible cable such as the cables to lift carriages and moving machinerysuch as cranes.
The actual numbers quoted may not be accurate if there is a formal defination but the principle is correct
Single as in standard twin and earth
Multiwire as in the old 7/029 fixed cable
Fine as in between 7 and 21 wires in a fexible conductor not continuously being flexed
Very fine as 21 to as many as 100 or more wires per conductor in a very flexible cable such as the cables to lift carriages and moving machinerysuch as cranes.
The actual numbers quoted may not be accurate if there is a formal defination but the principle is correct
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The regulation in plan language means use ferrules
as shown below crimp pliers. Or here
although you can solder it seems with stranded cable where a normal clamp type connection is unlikely to make a good connection.
H
holmslaw
..
H
holmslaw
..
Probably something like the conductors used to connect a main switch in a consumer unit?
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