MARRETTE® PRO-BLU™ 933™ WIRE CONNECTORS

The true-blue Marrette, engineered in Canada, designed for the installer, trusted by electrical professionals for residential and commercial wiring from coast to coast.

CANADA'S TRUE-BLUE WIRE CONNECTOR

Designed and manufactured in Canada, the Marrette PRO-BLU™ 933™ is the latest evolution of the iconic Marrette wire connector, engineered from the ground up to address the practical demands of the modern installer. The 933 features a wing design with a Posi-Grip™ surface for reliable twisting control even with greasy or damp hands, plus rounded edges designed to reduce discomfort during repetitive installations. The exclusive Live Action® variable volume spring accommodates wire combinations from #22 to #8 AWG, solid or stranded, when the connector is applied as directed. Made from durable polypropylene rated to 105°C (221°F). Approved for circuits up to 600 V and lighting fixtures and signs up to 1,000 V. For copper conductors only.

KEY FEATURES AND BENEFITS

<p>Marrette® PRO-BLU™ 933™ The Marrette® PRO-BLU™ 933™ is the result of more than 110 years of continuous improvement to the original Marrette® concept. Designed and manufactured in Canada with direct input from working electricians, every feature of the 933™ is built to reduce installation time, minimize fatigue, and deliver a reliable connection across the widest wire range in the Marrette® family.</p>

Posi-grip surface

<p>Unique surface texture combines matte finish with deep grip features to maintain twisting control in wet or greasy job-site conditions.</p>

Ergonomic wing design

<p>Wider-than-standard wings and rounded edge profile distribute grip pressure across the fingers, reducing fatigue over long installation runs.</p>

Live action® variable volume spring

<p>Proprietary spring expands to accommodate a wide range of wire combinations when the connector is applied as directed by the manufacturer.</p>

Broad wire combination range

<p>Covers #22 to #8 AWG in a single connector for both solid and stranded copper conductors, reducing the number of SKUs required on the job site.</p>

Designed and made in Canada

<p>Engineered and manufactured in Pointe-Claire, Quebec, backed by ABB’s global quality standards and over 110 years of Marrette® innovation.</p>

INDUSTRIES WE SUPPORT

From residential construction to commercial and industrial projects, our products support professionals across diverse industries.

Residential , Commercial

CHALLENGES WE SOLVE

Our products are designed to help professionals solve installation, safety and performance challenges in demanding applications.

Labor savings, Continuous operation

OUR ELECTRICAL SOLUTIONS IN ACTION: VIDEOS

MARRETTE: THE ORIGINAL WIRE CONNECTOR TRUSTED SINCE 1914

Since 1914, Marrette has set the standard for wire connectors in Canada and beyond. Invented by Bill Marr to simplify and secure electrical connections, Marrette remains the trusted choice for professionals and homeowners alike.