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Using individual conductors in a conduit is my preferred method where practical. You can't run individual conductors outside of a conduit or box. You would need to run conduit all the way to your termination box or set a junction box and transition from individual conductors to a cable that doesn't require conduit (ROMEX, UF).
UF can be buried without a conduit if you go deep enough (usually 24" to the top of the wire). You would only need conduit where it comes up above the ground. With UF you can continue with the cable exposed once you transition to the structure. UF is NOT fun to put in conduit. WAY not fun. Getting it over a few feet to conduit to get up above the ground sin't hard.
Using colored tape to mark load carrying phases is A-OK. Marking a black wire as a neutral is NOT OK. The neutral MUST be white or grey. Marking a black or white wire as ground is also NOT OK. The ground must be either uninsulated, green, or a solid jacket color with a continuous green stripes down its length. This rule changes when the wires are #4 or larger but for #6 you can't re-purpose a load carrying wire as a ground or neutral.
Clear as mud!
UF can be buried without a conduit if you go deep enough (usually 24" to the top of the wire). You would only need conduit where it comes up above the ground. With UF you can continue with the cable exposed once you transition to the structure. UF is NOT fun to put in conduit. WAY not fun. Getting it over a few feet to conduit to get up above the ground sin't hard.
Using colored tape to mark load carrying phases is A-OK. Marking a black wire as a neutral is NOT OK. The neutral MUST be white or grey. Marking a black or white wire as ground is also NOT OK. The ground must be either uninsulated, green, or a solid jacket color with a continuous green stripes down its length. This rule changes when the wires are #4 or larger but for #6 you can't re-purpose a load carrying wire as a ground or neutral.
Clear as mud!