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Should a 2 AWG copper wire be used to feed a 125 amp sub panel located 125 feet from main panel?
No, the conductor is too small. The feeder to a 120/240 volt sub panel should be a 1/0 copper or a 2/0 aluminium conductor. This size conductor will limit the voltage drop to 3% or less when supplying 125 amps for 125 feet on a 240 volt system. ACWU 90 (Armoured Cable Wet location Underground 90 degree C). ACWU 90 cable is code approved for direct burial and is used in many projects as an underground service distribution feeder. Aluminium is much cheaper than copper for this type of installation.
Would a 125 amp service panel be enough for a 1900 square foot house?
A 125 amp service panel should be sufficient for a 1900 square foot house, as long as the electrical load of the house is within the panel's capacity. It's important to consider factors like the number of appliances, lighting, and other electrical devices in the house to ensure the panel can handle the demand. Consulting with a licensed electrician can provide a more accurate assessment for your specific situation.
Where is the neutral bus bar in a stab-lok panel BE116-32 125 amp.?
The neutral bus bar in a Stab-Lok panel BE116-32 125 amp is typically located on the side or at the bottom of the panel box. It is a metal bar with multiple screw terminals for connecting the neutral wires from branch circuits. Refer to the panel's installation manual or contact a qualified electrician for specific guidance on locating and working with the neutral bus bar.
How many 50 amp breakers feeding 50 amp outlets can you install from a 125 amp main panel?
You can install a maximum of two 50 amp breakers feeding 50 amp outlets from a 125 amp main panel. Each 50 amp breaker is using half of the available amperage from the main panel.
How can you find out the bus bar rating in a panel that is old and the rating sticker has fallen off is it safe to say that a panel with a 100 amp main breaker has a bus rated AT 125 AMPS?
A 100 amp panel should have a conservatively rated busbar and wiring but this says nothing about your particular panel. If you are asking a question relating to safety it needs to be seen by an electrician.
