Lightroom 6.2 vs 6.3 code#
Some people think grandfathering is amnesty for code violations. And second it applies to old work that was grandfathered because it was legal at the time it was installed. The "retrofitting a wire" case, two things wrong there: first it applies only to ground wires, which are a different case because they are not conductors grounds only carry current during emergencies.In both the examples you linked, you have lifted out of context. Before you seal up the walls (why do that at all? It's a garage) I suggest searching for where else this might have been done. I find inexperience + savings seeking = this kind of error. This case is a glitch, on my screen it shows a $0.02 difference and I suspect normal pricing would put it at 30%. I like to use frappucino's (or pizzas) as units of cost savings in cases like this. Note how many lattés there are in the price difference. It can be used later for welders, or EV chargers whose labeling/instructions allow use of a 6-20, 6-30 or 6-50 connection. Just bring it into a 120mm (4-11/16") junction box ($2.50 at electrical supply, $5 at big-box) and cap it off at both ends. There's no reason to tear the 6-2 out of the wall, unless you have another place to use it (not outdoors, mind). However I would re-cable with 6-3 rather than risk having the inspector redflag it and have to bust out drywall to fix it. One thing conduit would be very good for is allowing easy adds and change-ups, extra helpful if you're mudding up the walls! Metal conduit is allowed to serve as the ground wire. With 2 "wires" in the conduit, "wires" can only take up 31% of conduit cross section.
The conduit would have to be quite large because it would be a nightmare to pull, and because the flat 6-2 cable gets treated same as a round wire of its largest dimension. I'm not sure whether conduiting this route and stuffing old cable and new wire in the conduit would suffice, that would be up to the local inspector. The Code requirement, for good reason, is all conductors must be in the same cable or conduit.
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