On single family homes 120 240 volt service equipment must have 10000 amp interrupting capacity rating. Your local grovers sales team can advise you if this is the case in your area.
How To Wire A Subpanel
400 amp service wiring diagram. With ct metering there are several options. Meter can and cabinet ct. Wiring diagrams and electrical schematics are provided in this manual. Ct metering is required for 400 amp and larger single phase 400 amp and larger 120208 three phase and 400 amp and larger 277480 three phase. Metering for 400 amp services or less. Insulated neutral conductors shall be identified from other conductors according to code.
This type of meter base uses a transformer in the panel to step down the power before it flows through the meter. 100 amp service 6 copper 200 amp service 4 copper 400 amp service 4 copper notes 1. Single phase underground service 400 amp 200 amp meter pole installation 100 amp meter pole installation 60 amp temporary pole installation conduit installation for 3 phase open delta 12040 volt transformer 3 phase transformer pad installation ct. Be sure to brace guy or concrete service pole 8 ground rod with approved ground rod clamp switch box conduit hot wire neutral lightning size size size size ground 400 amp 3 or 2 ½ 2 500mcm 1 250mcm 110 only copper wire type thhn or thwn allowed 16 min. Meter can pedestal specs transformer placement in underground. The use of a transocket cts in switchgear see subsections 5 6 and 5 7 or overhead ct metering see subsection 5 8.
Some areas do require the use of ct current transformer metering for a 400 amp service.
Gallery of 400 Amp Service Wiring Diagram
