If you have any questions please feel free to give us a call at 85 or send an email through our support page. We cut 6 gauge THHN by the foot and offer it in several different colors at a great price! ![]() However, 3/0 AWG copper wire is a better option since it has higher maximum ampacity (200-225 amps). Please click here to view our 6 AWG THHN Building Wire page. For a 200 amp breaker, the minimum recommended wire size is 2/0 AWG copper or 4/0 AWG aluminum. We greatly appreciate the photos, Steve, and glad everything worked out for you! Steve buried the 6 AWG THHN copper stranded wire inside a conduit which can be seen below:īuy 6 AWG Wire by the Foot and Cut to Length So, don’t need a 125 amp wire to wire it we need a 100. ![]() That means that a 125A breaker can only be loaded up to 80 of its capacity that’s 100 amps. Note on 125 amp breaker wire size: For breakers, we use the 80 NEC rule. This wire has 135A ampacity more than the minimum required 125A ampacity. I needed to run about 95’ of 6awg 240V 50A service from my house panel out to a new woodshop, and being able to get 100’ 6 AWG THHN/THWN spools at a good price from you worked out well!" 2/0 AWG aluminum wire for 125 amp service. My loads will be significantly less than that to run various tools individually, as well as a compressor and vacuum. "I put in a 100A box in the new shop, but am only feeding it from a 50A breaker in the main panel from the house service. Steve purchased our 6 AWG THHN/THWN Copper Building Wire for his project. Steve needed to run 50 amp service from his main panel in his home to a 100 amp breaker box (shown below) in his new shop. From the above table, if we apply the 83 rule, then the minimum required conductor size must be calculated for 83 of 100 Amps i.e., 83 Amps. Our customer Steve, a skilled project engineer sent in these pics from a home project he recently completed. And it's likely been this way 20+ years.Many of our customers here at Wire & Cable Your Way are looking for electrical wire to service their new backyard woodshop, like this one shown above. how has this not started a fire? there's an electric water heater, stove/range, dryer, 5500 watts of baseboard heater in addition the the normal electrical use. But between the breaker outside and the panel in the unit there is 65ft of 6/3 romex(aluminum wire). The wire in between the meter and that breaker seems adequately sized (didn't actually measure but it's got to be at least 2 or 3 gauge). The meter feeds to one of those outdoor main lug load centers, which has a 100 amp breaker. Biggest issue is that there is a ~65ft run of 6 gauge aluminum wire feeding the panel. To calculate wire size for a circuit, use the Wire Size Calculator or the Advanced Wire Size Calculator. To calculate the maximum distance of a circuit based on percent voltage drop, use the Circuit Distance Calculator. ![]() I thought "cool".Īfter purchasing and digging in it's pretty clear it was a DIY job. Note: K 12.9 for Copper conductors at 75☌ (167☏), and K 21.2 for Aluminum conductors at 75☌ (167☏). I had noticed the entire unit had new electrical (within the past 30 years or so) to replace the knob and tube. The correct sizing of the neutral depends on doing a calculation of the unbalanced load, which is an estimate of the amount of 120-volt current usage. I recently purchased a multi-unit property. The neutral wire is often one or two sizes smaller than the two hots.
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