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What size wire paralleled for 600 amp single phase service?
A 350 MCM copper conductor with an insulation factor of 75 or 90 degree C is rated at 310 and 325 respectively. So depending on the insulation of the wire that is used, a parallel wire configuration will give you a total of 620 at 75 degrees C or 650 at 90 degrees C.
What size ground wire for cold water pipe for 325 amp service?
DON'T CONNECT A GROUND WIRE TO A COLD WATER PIPE!!! Use ground rods in accordance with local codes. When in doubt, contact a local electrician or the local building and zoning office of your city or county. Connecting a ground wire to your cold water pipe can result in electrolysis that will eat away at you water pipe. ---------------- Metal underground water pipe is the first grounding electrode listed in the NEC. It is still commonly used in residential installations and is used in commercial installations when available. When the water pipe is used as the primary grounding electrode, it must be supplemented with another electrode which is most commonly a ground rod. Generally speaking, a 325 amp service requires 350 kcmil copper conductors for residences or 400 kcmil copper conductors for commercial installations. In either case these require a grounding electrode conductor of 1/0 ("one ought") copper.
What amp breaker do you need for a 325 watt heater 120 VAC?
Electrical breakers are sized by the conductor that is connected to it. The conductor is sized by the current that is drawn by the circuit. The formula for amperage is I = W/E. Amps + Watts/Volts. 325/120 = 2.7 amps. A #14 copper conductor is rated at 15 amps. This is the minimum size wiring that is used for house circuits loads. The breaker for this size wiring will be a 15 amp breaker.
If a 325 watt heater has a current of 6.0A what is the resistance?
Watts = Current x Volts with your resistive heat application. To figure out resistance you need to know voltage and current. Since you are drawing 6 amps then Volts = 325/6. This means that there is about 54 volts supplying the heater which seems like a very strange supply voltage. Since Volts = Current x Resistance the resistance = 325/36.
What is the starting current for 110 kW motor?
Well, isn't that a happy little question! To find the starting current for a 110 kW motor, you can use the formula: Starting Current = (Motor Power / (sqrt(3) x Voltage x Power Factor x Efficiency)). Remember, it's all about happy little calculations and making sure your motor has a smooth and joyful start.
