150 Amp Service Cable Size

Today we are here with another comprehensive copper and aluminum wire size calculator as we have discussed in detail the topic of how to calculate the proper wire size for electrical wiring.

150 amp service cable size. Looking at your 150 ampere service as an example excluding any temperature or other adjustments. You need to say whether it s a 150 amp service or a 1200 amp service it has to be one or the other. Is it 1 or 1 0 in 1 1 2. Does the weatherhead and service conduit need to be rigid.

The 2014 version allowed you to size the conductors to 83 of the service rating which usually worked out to about the same as the old table. Now you can take the advantage of this calculator to do this job j you can also check the classical wire cable size calculator in awg calculating wire cable size formula for single phase circuits. The wire size chart below shows allowable ampacities of insulated conductors rated up to and including 2000 volts 60 c through 90 c 140 f through 194 f not more than three current carrying conductors in raceway cable or earth directly buried based on ambient air temperature of 30 c 86 f. If the meter is a glass dome mounted on a square metal base the home probably has 100 amps of power while a newer 150 amp or larger service will have a rectangular base that extends below the glass dome.

The national electrical code nec recommends a maximum voltage drop of 3 percent for individual household circuits known as branch circuits this is a good goal to shoot for when sizing the conductors for an underground cable the following are the maximum lengths of cable you can use while still maintaining a 3 percent voltage drop for the given wire size awg and. 150 amp service wire size and conduit size. 150 ampere x 0 83 124 5 table 310 15 b 16 says that 1 awg copper is good for 130 amperes at 75c. I have a 650 run from the service pole and i m not sure with the voltage drop what size wire is needed for a 200 amp service.

The tables below are intended to be a general guide for wire size and amp ratings. Location chapel hill nc occupation electrical contractor may 14 2010 2 calisparky6 said. Continue reading at se cable sizes vs amps for more wire size guidelines or select a topic from the closely related articles below or see the complete article index. Sizing the conductors.