Phased Neutrals

[Don Reid]

My question Is , in a 120/208volt three phase wye connected panelboard
supplying single phase loads with a common neutral, must the breaker handles be connected together. Also if this is true where is it located in code.
Looking for some help. Thanks Don

 

[roger]

Read 210.4(B) and 210.7(B) for when this would be required.

Roger