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The PD440S-C allows the use of the Proving Unit without removal from the case and is recommended for use with the Martindale VI-13800 or VI-15000 Voltage Indicators. In addition the TC71 can be used to accommodate an existing indicator with the PD440S so the proving device is always available.
The robust construction of the Hard Carry Case offers protection from potential damage from sharp tools in the toolbox.
Hard carry case
Durable construction
Includes 440V Proving unit
Space for Voltage indicator
Ensuring Electrical Safety at Work
Take a look at our comprehensive range of Safe Isolation products and accessories.
View catalogueSafe Isolation saves lives
Check out our products and resources to enable safe working procedures when working with electrical systems. The comprehensive range includes lock-off devices, proving units and voltage indicators, helping you comply with the Electricity at Work Regulations.
Learn more about Safe IsolationThink safety, think proving dead, think Martindale
Safe electrical working requires the use of a voltage indicator that has been proven with a proving device. The widest range of proving units available on the market, for use with 230V, 440V and 690V voltage indicators. Check out the full range.
Learn more about Proving Devices
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Technical support
If you have questions related to Martindale products, please check our FAQ sections on our product pages, where the most common enquiries are answered.
Should you require further help please do not hesitate to contact the Martindale support team using the telephone number or email address below or complete the online form.
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