A tomada de iluminação necessária para áreas com equipamentos definitivamente não precisa estar em um circuito dedicado. Pode estar em qualquer circuito geral.
O mesmo vale para o receptáculo. Não é necessário ser dedicado, mas normalmente é isso. Este receptáculo é necessário para áreas inacabadas do porão. Não é necessário estar no painel, mas geralmente esse é o lugar mais fácil para colocá-lo.
2011 NEC
III. Required Outlets
210.70 Lighting Outlets Required
(A) Dwelling Units.
In dwelling units, lighting outlets shall be installed in accordance with 210.70(A)(1), (A)(2), and (A)(3).
(3) Storage or Equipment Spaces.
For attics, underfloor spaces, utility rooms, and basements, at least one lighting outlet containing a switch or controlled by a wall switch shall be installed where these spaces are used for storage or contain equipment requiring servicing. At least one point of control shall be at the usual point of entry to these spaces. The lighting outlet shall be provided at or near the equipment requiring servicing.
2011 NEC
III. Required Outlets
210.52 Dwelling Unit Receptacle Outlets
(G) Basements, Garages, and Accessory Buildings.
For a one-family dwelling, the following provisions shall apply:
(1) At least one receptacle outlet, in addition to those for specific equipment, shall be installed in each basement, in each attached garage, and in each detached garage or accessory building with electric power.
(2) Where a portion of the basement is finished into one or more habitable rooms, each separate unfinished portion shall have a receptacle outlet installed in accordance with this section.