Form of delivery for projects: Wall trough for second generation hollow-wall KLV compact distribution boards, marking slot in wall box, equipment supplied: empty wall trough, spirit level, hollow wall anker, guard, gland plate slider, installation instructions. Standards: Complete compact distribution board in accordance with IEC/EN 60670-24, DIN 43871, IEC/EN 62208 and, accordingly, approved for distribution boards as defined in IEC/EN 61439-3.