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Do ground wires have to be covered with wire insulation?
Not always, the electrical code is quite specific as to the type of installation where the ground wire needs to be insulated and in what type of installation the ground wire can use bare copper.
Should grooved wire be connected to white wire?
If you are referring to lamp cord type wire where both wires are brown then yes, connect the wire with the groves to the white neutral and the smooth wire to the black hot wire.
What does the term - wire splice - mean?
A wire splice is the joining of two or more wires together. Commonly this is done with an approved wire joining nut. All slices are to be made in junction boxes to prevent fire should the wire splice become unserviceable.
What size wire for a 3200 amp service?
For a 3200 amp service, the appropriate wire size will depend on several factors, including the type of wire (copper or aluminum), insulation type, and installation conditions (such as ambient temperature and conduit use). Generally, for copper wire, you would typically use 2500 kcmil or larger, while for aluminum wire, you might use around 3500 kcmil or larger. It's crucial to consult the National Electrical Code (NEC) and a qualified electrician to ensure compliance with local codes and safety standards.
What wire gauge is needed for a single phase 60 amp circuit?
#6 wire is good for 65 Amps as long as it is type THHN.
