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GB 18384: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 18384-2025 | English | 410 |
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Electric vehicles safety requirements
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| GB 18384-2020 | English | 185 |
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Electric vehicles safety requirements
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| GB/T 18384.1-2015 | English | 85 |
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Electrically propelled road vehicles -- Safety specifications -- Part 1: On-board rechargeable energy storage system (REESS)
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| GB/T 18384.1-2001 | English | 479 |
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Safety requirements of electric vehicles -- Part 1: board energy storage
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Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB 18384-2025
GB 18384-2025: Electric vehicles safety requirements
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB18384-2025
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.120
CCS T 47
Replacing GB 18384-2020
Electric vehicles safety requirements
Issued on: DECEMBER 31, 2025
Implemented on: JULY 01, 2026
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 3
Introduction... 5
1 Scope... 6
2 Normative references... 6
3 Terms and definitions... 7
4 Voltage level... 8
5 Safety requirements... 9
5.1 Requirements for personnel protection against electric shock... 9
5.2 Requirements for vehicle underbody protection... 16
5.3 Requirements for safety function protection... 16
5.4 Requirements for traction battery... 18
5.5 Requirements for vehicle collision protection... 18
5.6 Requirements for vehicle flame retardant protection... 18
5.7 Requirements for vehicle charging interface... 18
5.8 Requirements for vehicle alarms and prompts... 18
5.9 Requirements for vehicle event data recording... 19
5.10 Requirements for electromagnetic compatibility... 19
5.11 User manual... 19
6 Test methods... 19
6.1 Direct contact protection... 19
6.2 Indirect contact protection... 19
6.3 Vehicle underbody protection verification method... 28
6.4 Safety function protection... 30
7 Type identification... 30
8 Implementation of the Standard... 33
Appendix A (Normative) Verification method for waterproof performance of voltage
class B components... 34
A.1 Requirements for information provided by the manufacturer... 34
A.2 Waterproof test method for voltage class B components... 35
Bibliography... 36
Electric vehicles safety requirements
1 Scope
This document specifies the safety requirements for electric vehicles and describes the
test methods.
This document applies to electric vehicles with a maximum working voltage of class B.
This document does not apply to road vehicles that are continuously connected to the
power grid while in motion.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this
document and are indispensable for its application. For dated references, only the
edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
GB/T 4094.2, Electric vehicles - Symbols for controls, indicators and tell-tales
GB/T 4208-2017, Degrees of protection provided by enclosure (IP code)
GB 8410, Flammability of automotive interior materials
GB 11551, The protection of the occupants in the event of a frontal collision for
motor vehicle
GB/T 12113-2023, Methods of measurement of touch current and protective
conductor current
GB 17354, Front and rear protective devices for passenger cars
GB/T 18385-2024, Battery electric vehicles - Power performance - Test method
GB/T 18387, Limits and test method of magnetic and electric field strength from
electric vehicles
GB/T 19596, Terminology of electric vehicles
GB/T 19752-2024, Hybrid electric vehicles - Power performance - Test method
GB/T 19836, Instrumentation for electric vehicles
GB 20071, The protection of the occupants in the event of a lateral collision
GB 20072, The requirements of safety in the event of rear-end collision for
passenger car
GB/T 20234.1, Connection set for conductive charging of electric vehicles - Part 1.
General requirements
GB 26134, Roof crush resistance of passenger cars
GB/T 31498, Post crash safety requirement for electric vehicle
GB 34660, Road vehicles - Requirements and test methods of electromagnetic
compatibility
GB 38031, Electric vehicles traction battery safety requirements
GB/T 38892, On-board driving video recording system
GB 39732, Vehicle event data recorder system
3 Terms and definitions
Terms and definitions determined by GB/T 19596 and the following ones are applicable
to this document.
3.1
rechargeable electrical energy storage system; REESS
A rechargeable energy storage system that can provide electrical energy.
3.2
high voltage service disconnect
A device, equipped with a built-in voltage class B part, that is used to disconnect high-
voltage circuits when inspecting or repairing voltage class B components.
3.3
low voltage service disconnect
A device, not equipped with a built-in voltage class B part, that is used to disconnect
high-voltage circuits when inspecting or repairing voltage class B components.
3.4
conductive connection
Electrical connection made using conductors.
3.5
high voltage connector
A component consisting of one or more sets of conductor terminals and insulating
sheaths that provides electrical connection and disconnection functions between high-
voltage cables in electric vehicles and between high-voltage cables and high-voltage
components.
[Source. GB/T 37133-2025, 3.2]
3.6
direct driving
The driver controls the vehicle through the steering wheel, brake pedal, gear shifting
mechanism, accelerator pedal, etc.
3.7
cut off the power of propulsion system
The high-voltage circuit of the entire vehicle is disconnected, at least the high-voltage
circuit between the drive system and the rechargeable electrical energy storage system
is disconnected. For fuel cell vehicles, the circuit between the fuel cell system and the
drive system must be disconnected simultaneously.
3.8
touch current
The electric current flowing through a person or animal's body when the person or
animal comes into contact with one or more accessible parts of a device or apparatus.
[Source. GB/T 12113-2023, 3.1]
4 Voltage level
4.1 Electrical components or circuits are classified according to their maximum
working voltage as shown in Table 1.
4.2 For voltage class A electric circuits and voltage class B electric circuits that are
conductively connected, if one pole of a DC live part in the circuit is connected to the
electrical chassis, and the maximum voltage between any other live part and this pole
is not greater than 30 V (a.c.)(rms) and not greater than 60 V (d.c.), then the conductive
connection circuit does not completely belong to the voltage class B electric circuit, and
only the part that operates at voltage class B electric circuit is identified as a voltage
class B electric circuit.
5 Safety requirements
5.1 Requirements for personnel protection against electric shock
5.1.1 General
5.1.1.1 Requirements for personnel protection against electric shock shall include the
following four parts.
-- High voltage marking requirements;
-- Direct contact protection requirements;
-- Indirect contact protection requirements;
-- Waterproof requirements.
5.1.1.2 For voltage class A electric circuits and voltage class B electric circuits that are
conductively connected, if one pole of a DC live part in the circuit is connected to the
electrical chassis, and the maximum voltage between any other live part and this pole
is not greater than 30 V (a.c.) (rms) and not greater than 60 V (d.c.), then the
requirements of 5.1.4.1, 5.1.4.2, 5.1.4.3 and 5.1.5 do not apply to the circuit (including
the DC and AC parts).
5.1.2 Requirements for high-voltage marking
5.1.2.1 Requirements for high-voltage warning sign
Voltage class B energy storage systems or generating devices (such as REESS and fuel
cell stacks), voltage class B electric circuit systems and components (such as drive
motors, high-voltage distribution boxes, on-board chargers, etc.) shall be marked with
the symbols shown in Figure 1.For voltage class A electric circuits and voltage class B
electric circuits that are conductively connected, if one pole of a DC live part in the
circuit is connected to the electrical chassis, and the maximum voltage between any
other live part and this pole is not greater than 30 V (a.c.) (rms) and not greater than 60
V (d.c.), then REESS allows the symbol shown in Figure 1 not to be marked. The
symbol background shall be yellow, and the border and arrow shall be black.
When the barrier or enclosure is removed to expose the voltage class B live parts, the
same symbol shall be clearly visible on the barrier and enclosure. When assessing
whether this symbol is needed, the accessibility and removability of the barrier or
enclosure must be considered.
5.1.2.2 Marking requirements for voltage class B wires
In voltage class B electric circuits, the outer sheath of cables and wire harnesses shall
be distinguished by orange, except for those behind barriers or inside enclosures that
meet the requirements of 5.1.3.2.
5.1.3 Requirements for direct contact protection
5.1.3.1 General requirements
Direct contact protection is achieved by physically isolating the human body from
voltage class B live parts through insulating materials, enclosures, or barriers. The
enclosure or barrier can be a conductor or an insulator. The direct contact protection
requirements for specific components shall meet 5.1.3.2 ~ 5.1.3.5.
For category M2 and category M3 vehicle types, if a rooftop charging device is installed
on the roof, as shown in Figure 2, and if the shortest path from the bottom step of the
vehicle entrance to the exposed voltage class B live part of the rooftop charging device
is at least 3 m, then the exposed voltage class B live part of the rooftop charging device
can be exempted from the direct contact protection requirement.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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