In summary, electrical panels can be located anywhere other than in bathrooms, clothes closets, above steps of a stairway or in fire-rated partitions or area separation walls as long as the proper working clearances are provided per NEC 110. 26, and the enclosure type is suitable. ACS takes the basic idea of zone wiring and combines it with pre-cut, pre-tested cable and plug-in connectors, to provide power and telecommunication systems that can be installed under raised floors (The Intelligent Floor), or in accessible ceilings (The Intelligent Ceiling). installed under. In this guide, we'll break down everything you need to know to install a distribution box correctly and confidently. Choose the right box based on environment (indoor/outdoor), load capacity, and durability. Check for proper IP/NEMA ratings and material quality. ) on first and second floors will have to be fed by the house panel. Would an electrician actually do it this way and wire home runs to the upper floors from the basement house panel or is it a must he would install. The National Electrical Code (NEC) provides comprehensive safety standards for electrical installations, including requirements for electrical panels (main service panels and subpanels or breaker box). This subpart addresses electrical safety requirements that are necessary for the practical safeguarding of employees in their workplaces and is divided into four major divisions as follows: (a) Design safety standards for electrical systems.