Pennsylvania Code & Bulletin
COMMONWEALTH OF PENNSYLVANIA

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67 Pa. Code § 171.81. Wiring.

§ 171.81. Wiring.

 Wiring shall conform to the following:

   (1)  Wiring shall conform to current applicable recommended practices of SAE Standard J1292. See Appendix A.

   (2)  Circuits shall conform to the following specifications:

     (i)   Wiring shall be arranged in at least six regular circuits, as follows:

       (A)   Head, tail, stop (brake) and instrument panel lamps.

       (B)   Clearance, side-marker and stepwell lamps-step well lamp shall be actuated when service door is opened.

       (C)   Dome lamps.

       (D)   Ignition and emergency door signal.

       (E)   Turn signal lamps and hazard warning switch.

       (F)   Alternately flashing signal lamps.

     (ii)   Each circuit shall be protected by a fuse, circuit breaker or multiplex electrical circuit technology. A system of color coding shall be used.

     (iii)   A combination circuits listed in this paragraph may be subdivided into additional independent circuits.

     (iv)   At least one additional circuit shall be installed for heaters and defrosters.

     (v)   Whenever possible, other electrical functions, such as sanders and electric-type windshield wipers, shall be provided with independent and properly protected circuits.

 (vi)  Each body circuit shall be coded by number or letter on a diagram of circuits and shall be attached to the body in a readily accessible location.

   (3)  The entire electrical system of the body shall be designed for the same voltage as the chassis on which the body is mounted.

   (4)  A body wiring diagram of easy readable size shall be furnished or affixed in an area convenient to the electrical accessory control panel.

   (5)  Wiring shall have an amperage capacity equal to or exceeding the designed load. Wiring splices shall be done at an accessible location and noted as splices on the wiring diagram.

   (6)  Body power wire shall be attached to a special terminal on the chassis.

   (7)  Wires passing through metal openings shall be protected by grommets.

   (8)  Wires not enclosed within the body shall be fastened securely at intervals of not more than 18 inches. Joints shall be soldered or joined by equally effective connectors.

Authority

   The provisions of this §  171.81 amended under the Vehicle Code, 75 Pa.C.S. § §  4551—4553 and 6103.

Source

   The provisions of this §  171.81 adopted August 19, 1983, effective August 20, 1983, 13 Pa.B. 2561; readopted December 4, 1987, effective December 5, 1987, 17 Pa.B. 5052; amended May 20, 2005, effective May 21, 2005, 35 Pa.B. 3039. Immediately preceding text appears at serial pages (219646) to (219647).



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