Get What Size Copper Wire For 200 Amp Service US. A ground wire for a service distribution has to be copper. With an insulation factor of 75 or 90 degrees c the rating is 200 or 210 amps respectively.
Conductors - 200 Amp Conductors - Installation from wirelessestimator.com Over here in my area., the 200 amp residentails typically use 4/0 alum and some case if have to use copper for 200 amp residentails then use 2/0. Awg copper wire size table | the american wire gauge (awg) measurement instrumentation, electrical, control and sensing devices product and services companies. In us or canada you need to.
The following table of wire sizes does not show any sizes bigger than 4/0 gauge, because solid copper wire becomes.
A ground wire for a service distribution has to be copper. With an insulation factor of 75 or 90 degrees c the rating is 200 or 210 amps respectively. For 215a or less you need to go to 250,000 circular mil wire. By nec guidelines, 4/0 is required for three copper conductors carrying 195a in a tray or conduit at not more than 30 deg c ambient with insulation rated for 60 deg c.
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