Arc Flash Parameters: cable_junction
IEEE 1584-2018 arc flash calculation parameters by equipment class and voltage class. Includes electrode gap (mm), working distance (inches), enclosure dimensions, and electrode configuration for switchgear, MCC, panelboard, and cable junction equipment.
| equipment class | voltage class | electrode config | enclosure depth mm (mm) | enclosure height mm (mm) | enclosure width mm (mm) | gap mm (mm) | insulation level pct (%) | notes | working distance in (in) | working distance mm (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| cable_junction | 15KV | VCB | 203 | 356 | 305 | 25 | 100 | 15kV cable junction / termination cabinet | 18 | 457 |
| cable_junction | 208V | HCB | 203 | 356 | 305 | 13 | 100 | 208V cable junction / pull box / termination cabinet (shallow); IEEE 1584-2018 electrode gap for cable junctions is voltage-independent (13 mm) | 18 | 457 |
| cable_junction | 208V_DEEP | HCB | 610 | 356 | 305 | 13 | 100 | 208V cable junction deep-enclosure variant (depth > 203.2mm, large pull box); gap and WD unchanged; depth correction factor applies per IEEE 1584-2018 §4.5 | 18 | 457 |
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