Martindale Safe Isolation Kits
Discover the key features and benefits of Martindale Safe Isolation Kits to ensure safety in your electrical work. Read the essential guide now!
Find out more about Martindale Safe Isolation Kits below.

- Ideal for proving dead 230V single-phase installations
- Martindale VT12 Two-Pole Voltage Tester with Removable GS38 Probe Caps
- Martindale PD240 240V DC Proving Unit & PP100 Multipurpose Pocket Pouch

- Detect voltage between 12V and 690V AC/DC
- Test voltage up to 690V AC/DC
- Carry Case made from heavy denier nylon

- PD440S: 440V industry-leading proving unit
- VI13800 Voltage tester range: 50V to 600V AC/DC
- TC71 Combination Carry Case

- Voltage indicator with continuity and phase testing
- Test voltage up to 690V AC/DC
- Carry Case is made from heavy denier nylon

- 690V AC/DC range, Continuity, and Phase Rotation
- Simulate AC/DC voltages up to 690V
- Carry Case with a neck strap

- Industry-leading 690V PD690SRD Proving Unit
- VI15000 Voltage Indicator range: 50 to 1000V AC/DC
- Use the PD690SRD Proving Unit through the TC71 Carry Case

- All the essential test tools
- Easy-to-use tools
- High-quality soft carry case

- VI13800 Voltage Tester: 50-600V AC/DC
- 440V PDS440S Proving Unit that can be used through the TC71 Case
- LOKKIT1 12-Piece Lockout Kit

- VI13800 Voltage Tester: 50-600V AC/DC
- 440V PDS440S Proving Unit that can be used through the TC71 Case
- LOKKITPRO 17-Piece Lockout Kit

- Industry-leading 690V PD690SRD Proving Unit
- VI15000 Voltage Indicator range: 50 to 1000V AC/DC
- 12-piece LOKKIT1 Lockout Kit

- Industry-leading 690V PD690SRD Proving Unit
- VI15000 Voltage Indicator range: 50 to 1000V AC/DC
- 17-piece LOKKITPRO Lockout Kit

- Voltage Indicator & Proving Unit Kit
- Lockout Kit
- Socket Tester
- Soft Carry Case
What Are Martindale Safe Isolation Kits?
Martindale Safe Isolation Kits are purpose-built sets designed to facilitate the safe disconnection of electrical circuits during maintenance or installation. They combine essential tools such as voltage indicators, proving units, and lock-off devices to help electricians and maintenance professionals confirm that circuits are de-energised and secured against accidental re-energisation. These kits support compliance with UK safety regulations, including the Electricity at Work Regulations and Health & Safety Executive (HSE) guidance.
What Do Martindale Safe Isolation Kits Measure?
The kits enable users to:
- Detect Voltage Presence: Identify live AC/DC voltages, typically ranging from 50V to 1000V.
- Confirm De-energisation: Verify that circuits are safely isolated before commencing work.
- Validate Tester Functionality: Use proving units to ensure voltage indicators are operating correctly before and after testing.
How Do Martindale Safe Isolation Kits Work?
The safe isolation process involves:
- Locking Off the Circuit: Use lock-off devices to secure the isolation point, preventing accidental re-energisation.
- Initial Proving: Test the voltage indicator against the proving unit to confirm it's functioning correctly.
- Voltage Testing: Apply the voltage indicator to the circuit to verify the absence of voltage.
- Final Proving: Re-test the voltage indicator with the proving unit to ensure continued functionality.
This procedure aligns with the "ALIVE" protocol: Approved kit, Lock out, Initial prove, Voltage test, Ensure.
Applications of Martindale Safe Isolation Kits
These kits are essential for:
- Electrical Maintenance: Ensuring circuits are de-energised before servicing.
- Installation Work: Safely connecting new equipment to existing circuits.
- Compliance Checks: Meeting safety standards and regulations during electrical work.
- Training and Education: Teaching safe isolation procedures to apprentices and students.
In general, Martindale Safe Isolation Kits will be required anywhere you need to perform safe isolation procedures effectively, reducing the risk of electrical accidents.