Warning – UPS Voltage Present When Power Is Off Label

Warning – UPS Voltage Present When Power Is Off Label

Protect engineers and maintenance personnel from hidden electrical hazards with our Warning – UPS Voltage Present When Power Is Off Label. Specifically designed for installations fitted with Uninterruptible Power Supplies (UPS), this safety label clearly warns that dangerous voltage may still be present even when the main power appears to be switched off. The UPS Voltage Present When Power Is Off electrical warning label alerts technicians that dangerous voltage may remain present even when the main power is disconnected.

WARNING
UPS VOLTAGE PRESENT WHEN POWER IS OFF
Contact may cause electric shock or burn.
Turn off and lock-out UPS Output Power before servicing.

UPS systems can continue supplying output voltage from internal batteries, even after mains power has been isolated. Without proper warning signage, this creates a serious risk of electric shock, arc flash, or burn injuries during servicing or maintenance.

The Warning – UPS Voltage Present When Power Is Off Label provides a clear, highly visible reminder to isolate and lock out the UPS output before carrying out any work, helping to reinforce safe isolation procedures and reduce workplace risk.

Ideal for application on:

• UPS cabinets and enclosures
• Distribution boards
• Electrical control panels
• Server rooms and data centres
• Plant rooms
• Commercial and industrial installations

Manufactured from durable, high-quality materials, the label is available in self-adhesive vinyl for quick installation or rigid plastic for permanent fixing. The high-contrast safety design ensures maximum visibility in busy working environments.

Key Features

• Clear and direct electrical hazard warning
• Warns of live voltage even when power is off
• Instructs lock-out of UPS output before servicing
• High-visibility safety format
• Durable and long-lasting material options
• Easy peel-and-stick application (self-adhesive version)
• Suitable for commercial, industrial, and IT environments

Why This Label Is Essential

UPS systems store energy and can continue to energise circuits during outages or maintenance. Assuming equipment is safe because the mains is off can lead to serious injury. This warning label reinforces proper lock-out procedures and supports safer electrical working practices.

FAQ

Q1: Is this Warning – UPS Voltage Present When Power Is Off Label suitable for indoor and outdoor use?
Yes, it’s a durable laminated vinyl sticker, designed to withstand general workplace environments and moisture.

Q2: Can I request a custom version with different wording?
Absolutely — we offer wording changes for a small $25 design fee. Just get in touch before ordering.

Q3: Are mounting options like PVC or ACM available?
No, this product is a sticker only. It doesn’t come in PVC, Corflute, or ACM panels.

Why We Use “Warning – UPS Voltage Present When Power Is Off Label”?

UPS warning labels are used to prevent electric shock, burns, and accidental energisation during maintenance or servicing.

Unlike standard electrical systems, a UPS (Uninterruptible Power Supply) can continue delivering power even when the mains supply is switched off. This happens because UPS systems store energy in internal batteries. As a result:

• Equipment may still be live
• Voltage may be present at output terminals
• Circuits may re-energise unexpectedly
• Engineers may wrongly assume the system is safe

The label clearly communicates that:

• Dangerous voltage can still be present
• Contact may cause electric shock or burns
• The UPS output must be turned off and locked out before servicing

This supports safe isolation procedures and helps reduce the risk of serious injury.

Where We Use “Warning – UPS Voltage Present When Power Is Off Label”?

These labels are applied anywhere a UPS system supplies power, including:

🔹 UPS Cabinets & Enclosures

Placed directly on the UPS unit to warn engineers before opening panels.

🔹 Distribution Boards

Where UPS-backed circuits are connected.

🔹 Electrical Control Panels

Especially where control systems remain live during mains failure.

🔹 Server Rooms & Data Centres

UPS systems commonly protect IT infrastructure, meaning circuits can remain energised even during shutdown.

🔹 Plant Rooms

Where critical systems (HVAC, fire alarms, emergency lighting) are supported by battery backup.

🔹 Industrial & Commercial Facilities

Anywhere dual supply or backup systems are installed.

Learn more about electrical hazard identification in our guide to Electrical Safety Labels in New Zealand.

Not sure if you’ve got all the safety signage you need?
Download our Free Safety Signage Checklist to make sure your workplace complies with New Zealand safety standards — it’s a quick and easy way to identify missing signs and stay compliant for further information check out 5 Workplace Signs Every Office Needs (And Why They Matter).

The mission of Hazard Signs NZ is to provide quality-made safety signs to all of New Zealand. Our great prices and convenient online ordering platform make us a preferred supplier to many NZ businesses. All our signs are designed and manufactured in Invercargill to meet the workplace health and safety needs of all businesses and industries in New Zealand.

Please note. We make some safety signs to order and therefore it may take 5 to 10 business days to receive. If you require your order urgently, please don’t hesitate to contact us to confirm an estimated delivery date before placing your order.

If you are not sure about what sign you need for your business, just contact us at +6432183350 or email us and we will make it ready for you.