ORD 1869 - Laserfiche WebLink

690.18 Installation and Service of an Array. Open circuiting, short-circuiting, or opaque covering shall be used to disable an array or portions of an array for installation and service. FPN: Photovoltaic modules are energized while exposed to light. Installation, replacement, or servicing of array components while a module(s) is irradiated may expose persons to electric shock. IV. Wiring Methods 690.31 Methods Permitted. (A) Wiring Systmns. All raceway and cable wiring methods included in this Code and other wiring systmns and fittings specifically intended and identified for use on photovoltaic arrays shall be permitted. Where wiring devices with integral enclosures are used, sufficient length of cable shall be provided to facilitate replacement. (B) Single Conductor Cable. Types SE, UF, USE, and USE-2 single-conductor cable shall be permitted in photo- voltaic source circuits where installed in the same manner as a Type OF multi-conductor cable in accordance with Ar- ticle 339. Where exposed to sunlight, Type OF cable iden- tified as sunlight-resistant shall be used. (C) Flexible Cords and Cables. Flexible cords and cables, where used to connect the moving parts of tracking PV modules, shall comply with Aff~cle 400 and shall be of a type identified as a hard service cord or portable power cable; they shall be suitable for extra-hard usage, listed for outdoor use, water resistant, and sunlight resistant. Allow- able ampacities shall be in accordance with 400.5. For am- bient temperatures exceeding 30°C (86°F), the ampacities shall be derated by the appropriate factors given in Table 690.31(C). (D) Small-Conductor Cables. Single-conductor cables listed for outdoor use that are sunlight resistant and mois- ture resistant in sizes 16 AWG and 18 AWG shall be per- mitted for module interconnecfions where such cables meet 76