ECN Forum Forums Code Related Discussion NEC & other Code issues Adding Voltage Monitoring to 400 amp 3 Ph.entrance

I am adding a SSAC voltage monitoring relay to an existing 3 Ph. main entrance.

I am concerned with how to tap into the 3 legs and connect to the monitor.

this will be a permanent metering hookup.

I am thinking of using small 1 amp inline fuses on each with 14 Ga. wire. With the fuse as close to each of the taps as possible.

this box is a big fused disconnect.

I am sure that the NEC has something to say about how to do this.

any input is appreciated.