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We want to help you get the job done. That's why you can call in your orders at (956) 424-6157 — your supplies will be ready for you when you…

Did you know that RGV Electrical Supply can help you with the design and layout of your project's lighting and lighting controls? Message us about the tools and technology we…

We have everything you need for your project at prices that make sense. Stop by today to experience the best brands at better prices!

Everything we do is with you in mind. From a wide range of products to the expertise of our team members, we're dedicated to providing superior service to our customers.…

We know that emergencies don't always happen during business hours. That's why we offer emergency services for our clients. If you have something go wrong with your lights, we're here…

RGV Electrical Supply is your resource for excellent solutions for all your electrical projects and needs.   Ask us about the new Low-Profile Expandable In-Use Weatherproof Covers from Intermatic! The…

We know how frustrating it can be to go to a big box store with specific questions that the employees there can't answer. That's why the members of our team…

The National Electrical Code's Table 250.122 outlines the minimum size equipment grounding conductors for grounding raceway and equipment. For example, the rating of an automatic overcurrent device in a circuit…

The National Electrical Code's Article 210.52 Dwelling Unit Receptacle Outlets outlines guidelines to receptacles:   ✔️ Spacing: Receptacles must be installed so that no point along the floor line of…

Branch circuits recognized by Article 210.4 Multiwire Branch Circuits from the National Electrical Code are permitted as multiwire circuits. Each multiwire branch circuit must be given a means that will…