Find the family.
Then the exact fit.

LV 0.6/1 kV through EHV/HVDC 525 kV; conductor about 1.5–4,000 mm²; straight, branch, stop and transition joints

LV through 525 kV; indoor/outdoor/GIS/transformer; conductor about 1.5–4,000 mm²

LV mechanical/compression connectors through separable MV/HV interfaces; about 0.5–2,500 mm²

Cable diameter roughly 3–160 mm; metric/PG/NPT threads; brass, stainless, polymer; armoured/Ex variants

0.5–2,500 mm²; copper/aluminium/bimetal; compression, shear-bolt and mechanical

50–1,200 mm width common; 25–200 mm depth; steel, stainless, aluminium, GRP; light to heavy duty

100–1,200 mm width; 50–200+ mm side rail; steel, stainless, aluminium or GRP

Cable diameters roughly 10–200 mm; single/trefoil; polymer/aluminium/stainless; short-circuit rated

20–250 mm common bore; single/multiway; PVC/HDPE/concrete/GRP; direct burial or encased

About 0.5–6 m flange diameter; payload from hundreds of kg to >100 t; steel/wood/composite

0.6/1–36 kV common; about 1.5–1,000 mm²; straight/branch and armoured kits

0.6/1–35/42 kV common; about 16–1,000 mm²; silicone/EPDM kits

0.6/1–12 kV common; about 1.5–400 mm²; branch/straight, submersible and hazardous-area kits