SAE J1292 PDF

Document Name: SAE J Automobile, Truck, Track-Tractor, Trailer, and Motor Coach Wiring CFR Section(s): 49 CFR Standards Body: Society of . Find the most up-to-date version of SAE J at Engineering Electrical wiring shall be installed and maintained to conform to SAE J – Automobile, Truck, Truck-Tractor, Trailer, and Motor Coach Wiring, October , .

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A cable of this type is generally used in static non-flexing applications when nominal abrasion, heat, cold, oil, dielectric, short circuit, and pinch resistance properties are desired.

Headlight systems shall be independently pro- tected.

49 CFR 393.28 – Wiring systems.

Circuit protection shall be accomplished by utilizing fuses, circuit break- ers, or fusible links which conform to SAE Standards. Where impractical, the coding is to be followed to a junction block or harness ter- minating point where visual inspection will identify the circuit coding change.

Connec- saw shall be designed to maintain circuit integrity regardless of k1292 conditions such as high humidity, road splash, rain, drainage, earth particles, fuels, lubricants, high and low temperatures, and solvent. Criminal penalties may apply for noncompliance.

A general design guide would be that the conductor will be required to dissipate no more than 5 W per insulated conductor foot.

49 CFR – Wiring systems. | US Law | LII / Legal Information Institute

The elongation after aging shall be at least: Wiring connections to lights mounted on the coach body shall be accessible from outside, with the light removed or through an access door in an interior trim panel. Structure of the trailer, and c.

All wiring for legally required lights shall be serviceable in a manner permitting removal and reinstallation from outside the trailer. Truck, Truck-tractor Section 4. Ground terminals shall be accessible for service: Extra protection such as loom, conduit, tubing, heat shield, etc. NOTE — Extra protection such as braid, loom, conduit, etc.

A multitude of dif- 7. Resistance wire low tension cable may be used to limit the voltage applied to electrical devices. A jumper cable with cable plug conforming to SAE J Full text of ” SAE J NOTE— Contact of the trailer king pin or apron plate with the lower coupler or grounding through the coupler is not to be considered as providing a tractor-to-trailer ground.

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Battery strap is available Non- cycling type circuit breakers will not reset until the overload is removed, unless they are the non-cycling manual-reset type.

SAE J AUTOMOBILE, TRUCK, TRUCK-TRACTOR, TRAILER, AND MOTOR COACH WIRING_百度文库

Wiring so located that it will be subjected to more than normal wear or hard usage shall be equipped with a means of disconnecting from the main harness and be easily removable for replacement or repair. This is written principally for new vehicles but is also applicable to rewiring and service.

Insulated or nonconductive supports shall be used. Society of Automotive Engineers NOTE — In many cases 4 or 6 gauge may be required.

Devices, lamps, and so forth requiring ; peri- odic service shall be serviceable arid accessible by providing’ wife length suffi- cient to reasonably accomplish this. Consideration is given to physical and environmental factors such as flex- ing, heat, cold, bend, oil and fuel contact, dielectric, abrasion, short circuit, and pinch resistance among others.

Clips also assist in locating and routing at assembly. Wiring exposed to such conditions shall be further protected by either, or a combination of, the use of heavy wall thermoplastic insu- lated cable, see SAE Standard J, Low Tension Primary Cable additional tape application, plastic sleeving or conduit, nonmetallic loom, or metallic or other suitable shielding or covering.

Except as noted, the wiring system shall conform to the guidelines of Section 3. Ground return connections shall be made to the vehicle structure, frame, or engine.

Bunched or concentric will suffice in most applications, except those requiring higher flex life.

Storage Battery Cables 7. The main ground wire shall be a minimum of gauge. Since the nature of the wire is to limit the voltage applied to electrical devices, the distance of the device from the power source and the cur- rent demand of the device will determine the materials used. Spe- cial applications without irisulation grips may be employed where other means of retieving-strairi are provided;- 3.

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Preferably, the marking shall be in amber reflective letters. Items that dictate the design are: Search zae history of over billion web pages on the Internet. Ground terminal devices shall be eadmium,. The splice must be insulated. The ground wire for insulated-return systems shall be equal to the respective feed wire.

Wiring shall be protected from stones, excess dirt, ice, moisture, chafing, and so forth, that will result in harmful effects. Left rear stop and turn Yellow.

Circuits using resistance wire shall be carefully placed in the vehicle so that their temperature rise will not create a hazard to, or malfunction of, any part of the vehicle. This practice applies to wiring systems of less than 50 V. Temperature rise tests of the conductor bundle shall be run to determine the proper conductor size and insulation.

In addition, the maximum continuous duty temperature rating for any wire insulation shall be determined by an accelerated aging test conducted in accor- dance with ASTM Dwith the samples of insulation being removed from the finished wire and aged h.

NOTE— Overlay or option wiring should be routed in the sqe fasteners with standard wiring where practical, or should be fastened to the standard wiring with plastic straps or other mechanical means.

A terminal shall be attached to a Conductor by a simple mechanical crimp-type process that will cbrafonri to the intent of paragraph 3. It covers the areas of performance, operating integrity, efficiency, economy, uniformity, facility of manufacturing and service.

In k1292 where the engine or body is mounted on rubber or other insula- tion, proper ground shall be provided. Wiring not subject to damage from scuffing or scrubbingon rough metal-edges. This remaining resistance is the maximum allowed for the battery cables.