Splices in electrical connections have specific requirements but do not always need to connect similar metals or be soldered.
Splices in electrical connections must have a sleeve equivalent to that of the conductor and do not necessarily need to connect similar metals. Soldering is not always a requirement for splices; the critical aspect is to ensure the splice is secure. It should also be noted that a splice does not necessarily need to be as strong as the conductor but should provide a reliable connection.
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