NOVELTY - The system (10) has a lower wiring portion remaining uniform for a set of different upper panel clip portion arrangements. An upper panel support portion is provided with a tubular structure. The upper panel support portion comprises a flat surface to support an external panel, where the upper panel support portion comprises two lower panel support surfaces and two holding structures that are spaced from the lower panel support surfaces to hold an upper edge of the external panel. A holding cap is arranged to hold an upper serrated gasket to the external panel.    USE - Wiring and panel support system for use in a bi-directional solar panel support matrix (claimed) on a building roof or concrete pad.    ADVANTAGE - The system prevents the panels and installation site from being damaged during installation. The system is easily installed on-site in precise arrangement for purposes of mounting the solar panels. The system can achieve close tolerances during field installation without the necessity of skilled labor at the installation site. The system avoids need for bonding specialized mounting brackets to the solar panels for mounting of the solar panels to the system. The system can be easily adapted to a wide variety of solar panel array sizes and shapes. The system minimizes the necessity for precise measurements at the installation site during installation. The system can be arranged at a variety of different positions and arrangements. The system reduces degradation caused by metal-to-metal contact. The system can be easily installed without interfering with previously installed panels with minimum mounting or deployment time. The system can easily be attached to substrate support brackets without incurring damage to any of the members of the system.    DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following:    (1) a method for wiring a solar panel array supported by a bi-directional support matrix    (2) a bi-directional solar panel support matrix comprising a set of lower support joists    (3) a panel clip for holding a panel to an upper panel rail in a bi-directional panel support array, comprising a hollow tubular support structure.    DESCRIPTION OF DRAWING(S) - The drawing shows a perspective view of a support system including solar panels arranged in column, horizontally-aligned lower support joists and vertically-aligned upper panel rails.    Wiring and panel support systems (10, 10')    Solar panels (12)    Free-field vertical support arrangement (14, 16)    Panel holders (100, 100', 120, 145)    Tilt mounting bracket attachment bolts (240)