Main Isolator (Normal Supply) Label

Main Isolator (Normal Supply) Label

SPL291

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Compliant with AS 1319. Colours, layout and pictogram meet the Australian standard for safety signs in the workplace.

Australian Made

Designed & produced in-house in QLD.

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Australia-wide shipping from Brisbane.

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Identify the Main Isolator (Normal Supply) with this clear electrical and warning label, used to show which isolator controls the normal incoming supply in installations that have more than one power source. It is commonly fitted to switchboards, control panels and other electrical equipment where maintenance staff, electricians and site personnel need to quickly distinguish the standard supply from backup, generator or alternative supply arrangements. Buyers typically choose this label to improve identification, reduce confusion during fault-finding, and keep electrical labelling consistent across the site.

Key Features

  • Clear Identification: Clearly distinguishes the normal supply isolator from other incoming or backup power sources, making the main electrical arrangement easier to understand at a glance.
  • Versatile Use: Suitable for switchboards, distribution boards and a wide range of commercial and industrial electrical systems where multiple supply paths may be present.
  • Professional Clarity: Assists electricians, maintenance teams and emergency personnel when isolating circuits, troubleshooting faults or carrying out routine inspections.
  • Consistent Terminology: Works alongside related supply, isolator and warning labels to create a consistent and easy-to-follow identification system throughout the installation.

Specifications

  • Material: Durable and weather-resistant for long-lasting use in demanding electrical environments, including areas exposed to regular handling or outdoor conditions.
  • Compliance: Meets Australian Standard AS 1319.

Applications

  • Switchboards
  • Backup-power systems
  • Generator installations
  • Sites with multiple main switches

Manufactured in Australia by Sign Portal, this label supports clear electrical identification across commercial, industrial and infrastructure projects. If you need matching labels for related supply points or customised wording for a specific installation, Sign Portal can produce variations to suit the job. Order today for fast Australia-wide dispatch.

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What customers say

“Ordered 40 site signs for a new build — arrived in 2 days, perfectly compliant. The team even fixed our wording for free.”

Dave M. · Site Manager, Brisbane

“Custom switchboard labels matched our spec exactly. Easy reorder portal and great pricing for bulk.”

Renee K. · Facilities, Gold Coast

“A-frame and shopfront decals look fantastic. Genuinely helpful advice on material for outdoor use.”

Sam T. · Cafe Owner, Sunshine Coast

“Rolled out a full site safety board pack across three projects. Consistent quality and the AS1319 compliance gave our auditors zero issues.”

Priya N. · HSE Coordinator, Sydney

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