mtnelectrical
Senior Member
- Location
- Essex, New Jersey
Beside the marking on the wire, is it required somewhere in the NEC to mark the panels with the word HIGH LEG as well?
Beside the marking on the wire, is it required somewhere in the NEC to mark the panels with the word HIGH LEG as well?
Beside the marking on the wire, is it required somewhere in the NEC to mark the panels with the word HIGH LEG as well?
FIFY408.3(F)(1) High Leg Identification
2017 NEC
Beside the marking on the wire, is it required somewhere in the NEC to mark the panels with the word HIGH LEG as well?
408.3(F)(1) High-Leg Identification. A switchboard, switchgear,
or panelboard containing a 4-wire, delta-connected system
where the midpoint of one phase winding is grounded shall
be legibly and permanently field marked as follows:
“Caution _____ Phase Has _____ Volts to Ground”
Yes and the wording is specific.
408.3(F)(1) High-Leg Identification. A switchboard, switchgear,
or panelboard containing a 4-wire, delta-connected system
where the midpoint of one phase winding is grounded shall
be legibly and permanently field marked as follows:
“Caution _____ Phase Has _____ Volts to Ground”
FIFY