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Standard

Primary 13 Conductor Electrical Connector (Plug and Receptacle) between Towing Vehicle and Trailer.

2022-07-07
WIP
J3285
This SAE document provides the minimum requirements for a 13-conductor cable plug and receptacle to support the 13-conductor jumper cable between the towing vehicle and trailer. The document also includes the test procedures, design and performance requirements for the plug and receptacle. This document shall be used in conjunction with SAE J3284. The specified 13-conductor plug and receptacle would be totally interchangeable with the current SAE J560 primary plug and receptacle, plus provide an additional 6 conductors for use in trailers incorporating advanced electronics or multivoltage applications. New tractors designed with the 13 conductor receptacle and 13 conductor tractor to trailer cable and plug assembly, would be compatible with old trailers (7 conductor receptacle) and new trailers (13 conductor receptacle).
Standard

Combination 11 Conductors and 4 Pairs ECBS Cable

2013-04-09
HISTORICAL
J2742_201304
This SAE standard establishes the minimum construction and performance requirements for a combination cable consisting of 11 conductors and 4 twisted pairs for use on trucks, trailers, and dollies in conjunction with SAEJ2691. (15 pole connectors.) The cable includes both power and unjacketed SAE J1939-15 paired signal circuits along with dual ground wires to accommodate grounding requirements within the constraints of the SAE J2691 terminal capacity.
Standard

13-Conductor Electrical Cable between Towing Vehicle and Trailer

2022-06-15
WIP
J3284
This SAE standard establishes the minimum construction and performance requirements for a combination cable consisting of 9 conductors and 2 twisted pairs for use on trucks, trailers, and dollies. The cable includes power, ground and 2 jacketed/unshielded twisted paired signal circuits. This standard will be used in conjunction with the SAEJ XXXX “13 Conductor Electrical Connector (Plug and Receptacle) between Towing Vehicle and Trailer”. The standard will also include the test procedures, design and performance requirements for the cable.
Standard

15 Pole Connector Between Towing Vehicles and Trailers with 12 Volt Nominal Supply

2018-04-15
HISTORICAL
J2691_201804
This SAE standard establishes the minimum construction and performance requirements for a 15 Pole Connector Between Towing Vehicles and Trailers, for trucks, trailers, and dollies in conjunction with SAE J2742. The connector accommodates both power and ISO 11992-1 signal circuits along with dual ground wires to accommodate grounding requirements within the constraints of the SAE J2691 terminal capacity.
Standard

Primary Single Phase Nominal 120 VAC Wiring Distribution Assembly Design—Truck and Bus

2022-06-22
CURRENT
J2698_202206
This SAE Recommended Practice covers the design and application of primary on-board wiring distribution system harnessing for surface vehicles. This document is intended for single phase nominal 120 VAC circuits that provide power to truck sleeper cab hotel loads so that they may operate with the main propulsion engine turned off. The power supply comes from alternative sources such as land-based grid power, DC-AC inverters and auxiliary power generators. The circuits may also provide power to improve vehicle performance through charging batteries or operating cold-weather starting aids.
Standard

HEAVY-DUTY CIRCUIT BREAKERS

1996-04-01
HISTORICAL
J1625_199604
This SAE Recommended Practice defines the test conditions, procedures, and performance requirements for circuit breakers in ratings from 50 to 200 A. The document covers externally mounted automatic reset and manually reset types of circuit breakers for low voltage DC operation (typically 50 V or less).
Standard

Positive Temperature Coefficient Overcurrent Protection Devices (PTCs)

2006-05-18
HISTORICAL
J2685_200605
This SAE Recommended Practice defines the test conditions, procedures, and performance requirements for PTC (positive temperature coefficient of resistance) overcurrent protection devices. PTCs are typically either polymeric (PPTC) or ceramic (CPTC). It is important to note battery voltages versus powernets/system voltage versus max battery voltages: (12 V/14 V/16 V, 24 V/28 V/32 V, and 36 V/42 V/58 V). All voltages are DC. These devices are typically rated with a maximum operating voltage, which for vehicular systems need to be 16 V (for 12 V batteries), 32 V (for 24 V batteries), and 58 V (for 36 V batteries/42 V powernets). PTC devices are considered to be self-resetting after responding to overcurrent conditions and after such condition has been removed from the affected circuit containing the PTC.
Standard

Cable Marking for Circuit Identification in Multi-Voltage Power Distribution Systems

2021-01-13
CURRENT
J3176_202101
This SAE Standard establishes the minimum circuit identification and requirements for Multi-Voltage Power Distribution Systems (MVPDS) for use on trucks and buses. A Multi-Voltage Power Distribution System is one that distributes two or three voltages, up to 60 VDC, to power the controls, instruments, and devices.
Standard

Coiled Electrical Cable—Truck and Bus

2007-06-12
HISTORICAL
J2222_200706
This SAE Standard establishes the minimum performance and endurance requirements for coiled electrical cables used for hookup between trucks, trailers and dollies. The component standards SAE J2394 (replaced SAE J1067) for cable and SAE J560 for connectors must be consulted to determine the complete performance and endurance requirements of the system. Related TMC Recommended Practices may be consulted for information associated with selection, installation and inspection of these coiled electrical cables. This document is intended to set out requirements for the majority of conditions rather than for specialized applications or environments.
Standard

Coiled Electrical Cable - Truck and Bus

2012-10-24
HISTORICAL
J2222_201210
This SAE Standard establishes the minimum performance and endurance requirements for coiled electrical cables used for hookup between trucks, trailers and dollies. The component standards SAE J2394 (replaced SAE J1067) for cable and SAE J560 for connectors must be consulted to determine the complete performance and endurance requirements of the system. Related TMC Recommended Practices may be consulted for information associated with selection, installation and inspection of these coiled electrical cables. This document is intended to set out requirements for the majority of conditions rather than for specialized applications or environments.
Standard

Coiled Electrical Cable - Truck and Bus

2018-02-15
HISTORICAL
J2222_201802
This SAE Standard establishes the minimum performance and endurance requirements for coiled electrical cables used for hookup between trucks, trailers and dollies. The component standards SAE J2394 (replaced SAE J1067) for cable and SAE J560 for connectors must be consulted to determine the complete performance and endurance requirements of the system. Related TMC Recommended Practices may be consulted for information associated with selection, installation and inspection of these coiled electrical cables. This document is intended to set out requirements for the majority of conditions rather than for specialized applications or environments.
Standard

Connection and Accessory Locations for Towing Multiple Trailers

2003-08-29
HISTORICAL
J849_200308
This SAE Recommended Practice establishes the recommended locations for the air brake and electrical connections for towing multiple trailers. It applies to all commercial trailers except drop frame and car haul types.
Standard

Auxiliary Two-Conductor Electrical Power Connector for Truck-Trailer High-Power Jumper Cable

2023-09-20
WIP
J3082
This SAE Standard provides the minimum requirements for high-power, two-conductor jumper cable plug and receptacle for truck-trailer jumper cable systems. It includes the test procedures, design, and performance requirements. This document covers receptacles rated 12 VDC nominal and at more than 30 A (amperes) up to and including 150 A, and is intended for a single circuit with one power conductor and one common return conductor. Single-conductor high-current connectors are not recommended for future designs because of inadequate ground return through fifth wheel/king pin. Cable size selection is to be made by the vehicle OEM for specific applications and the specific voltage drop requirements of those applications.
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