The proper installation of a distribution box involves placing it at the right height to ensure safety and convenience. Dimensions included are length, width. Check for proper IP/NEMA ratings and material quality. Practice good wiring: secure grounding, neat cable management, proper insulation, and correct wire gauge and breaker. Typical wall-mount enclosure sizes often range from about 200 × 200 × 120 mm up to 800 × 600 × 300 mm. Freestanding cabinets commonly range from about 1600–2200 mm in height, 600–1800 mm in width, and 300–600 mm in depth. Ground-mounted foundations should be 50 to 100 mm above ground level.