Gordon Electric Supply Blog

Understanding Unit Heater BTU Requirements: A Facility Manager’s Handbook

Effective facility heating hinges on selecting and sizing the right unit heater. Undersized heaters struggle to maintain design temperatures, while oversized units cycle excessively, wasting energy and shortening equipment life. Facility managers and contractors must navigate BTU requirements, climate zone guidelines, equipment efficiency ratings, and combustion air needs to balance occupant comfort, code compliance, and operating costs.

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Heat-Shrink Splice Kits Explained: Methods, Materials, and Maintenance

Electrical splices are critical junctions in power and control circuits. When a cable is damaged or needs to be extended, a reliable splice restores circuit continuity. However, poorly executed splices allow moisture ingress, corrosion, and mechanical stress to compromise conductivity. Industry studies show that 65 percent of premature cable failures originate at splice points due to moisture penetration. Unplanned downtime and costly rework follow. Heat-shrink splice kits, featuring polyolefin tubing, adhesive-lined moisture seal, and flame-retardant properties, offer a proven solution.

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Ensuring NEC & ADA Compliance: Floor Box Code Requirements Explained

Electrical floor boxes provide power, data, and communication access in finished floors of offices, retail spaces, and healthcare facilities. When installed correctly, they blend seamlessly with flooring systems while delivering reliable service. However, failing to comply with the National Electrical Code (NEC) and the Americans with Disabilities Act (ADA) can lead to safety hazards, project delays, and potential litigation.

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EMT Conduit Bending Made Easy: Tools, Radius, and Techniques

Effective conduit bending is a cornerstone of professional electrical installations. Whether you are routing branch circuits in a commercial build or running power feeds in an industrial facility, precision EMT conduit bending ensures smooth wire pulls, code compliance, and long-term system reliability. This guide provides a systematic approach covering tools, bend radius requirements (NEC 358.26), offset multiplier calculations, and springback compensation.

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Step-by-Step Guide to Wiring a Pin and Sleeve Connector Safely

Professionals in the industrial, construction, and rental equipment sectors depend on reliable power connections to keep operations moving without unexpected downtime. Pin and sleeve connectors, designed to meet rigorous IEC 60309 standards, deliver robust voltage and current performance in the harshest environments. However, improper wiring practices can lead to equipment failure, unplanned outages costing up to $125,000 per hour, and even fatal shock incidents.

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Gas vs. Electric Unit Heaters: Which Solution Delivers the Best ROI?

For industrial facility managers, commercial developers, and HVAC contractors, selecting the right heating solution for a large space is a decision that reverberates through the balance sheet for decades. The choice between Gas vs. Electric Unit Heaters is not merely a matter of fuel availability; it’s a complex financial calculation of initial capital outlay versus long-term operational expense.

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A Guide to Installing Cable Lugs: Tools, Torque Specs, and Best Practices

In the world of high-current electrical distribution and industrial control systems, connections are everything. A flawless termination means a reliable, efficient, and safe system; a faulty one leads to localized heating, component failure, and dangerous downtime.

For the professional electrician, engineer, or industrial maintenance technician, the proper installation of Cable Lugs is a non-negotiable skill. These devices, whether compression lugs or mechanical connectors, are the critical interface between the conductor and the terminal block, busbar, or power distribution equipment.

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A Step-by-Step Installation Guide for Pop-Up and Flush Floor Boxes

For professional contractors and electrical installers, the final fit and finish of a floor box is the last word on the quality of a commercial or high-end residential project. A poorly installed floor box can compromise safety, violate code requirements, and necessitate costly floor refinishing, which is a headache for any project timeline.

This guide provides the necessary steps and technical specifications to ensure your installation of Pop-Up and Flush Floor Boxes is precise, compliant, and meets the stringent aesthetic demands of modern commercial design.

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How to Calculate EMT Conduit Fill Capacity: A Step-by-Step Guide

For any electrical contractor, engineer, or professional buyer, installing a circuit that is safe, reliable, and compliant with the National Electrical Code (NEC) is the priority. One of the most common causes of failed inspections and costly rework is the improper calculation of conduit fill capacity.

Undersized conduit leads to strenuous wire pulling, which can strip insulation, and compromises long-term safety by restricting the space necessary for heat dissipation.

This technical guide provides a step-by-step methodology for correctly calculating EMT (Electrical Metallic Tubing) conduit fill capacity, ensuring you stay within NEC limits and avoid costly and time-consuming rework (rip-out and re-pull) and failed inspections caused by improperly sized conduits that violate NEC fill limits, which also jeopardize system safety due to potential wire overheating.

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Pin and Sleeve vs. Twist Lock: Which Connector Is Best for Your Facility?

In industrial facilities, construction sites, and temporary power setups, reliable electrical connectivity is non-negotiable. For the professional buyer, contractor, or electrical engineer, choosing the correct wiring device is a critical decision that balances upfront cost against long-term operational efficiency, safety, and compliance.

The central challenge many face is: How to select a power connector that maximizes safety (preventing arc flash and mis-mating), ensures reliable operation in harsh industrial environments (withstanding moisture and dust), and supports compatibility across diverse/international equipment.

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Unit Heater Installation Best Practices: From Sizing to Mounting

Industrial facilities rely on robust heating solutions to maintain safe, productive environments year-round. Industrial unit heaters bring warmth to large open spaces—warehouses, manufacturing floors, and workshops—but only when they’re appropriately sized, mounted, and wired. 

Mistakes in capacity calculations, clearance planning, electrical branch-circuit sizing, or structural anchoring can lead to poor performance, code violations, or even safety hazards. This comprehensive guide covers unit heater installation best practices, including accurate unit heater sizing and BTU calculation, precise unit heater mounting clearances, wiring the electrical unit heater branch circuit, meeting unit heater disconnect requirements, and ensuring unobstructed airflow. Follow these proven steps to specify, install, and commission your next unit heater with confidence.

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How to Select the Right Cable Lug for Industrial Applications

Choosing the proper cable lug is essential for reliable power distribution, equipment longevity, and personnel safety in industrial settings. Yet specifiers and contractors must navigate a maze of material types (copper, aluminum, bimetallic), insulation options, termination methods (compression vs. mechanical), conductor-size compatibility, and rigorous UL/IEC standards. Get it wrong, and you risk overheating, galvanic corrosion, or even catastrophic failure. This guide cuts through the complexity, providing clear criteria for selecting cable lugs in demanding applications.

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Floor Box vs. Wall Outlet: What Specifiers and Contractors Need to Know

Specifiers and contractors often wrestle with whether to locate power at walls or in the floor, balancing mechanical protection, corrosion resistance, installation labor, and strict code requirements for spacing, load-rating, and liquid protection.

In this floor box vs wall outlet comparison, we’ll explore the core technical differences, code mandates, and performance characteristics of each option. Armed with these insights, you can streamline electrical floor box installation, ensure compliance, and choose the right solution for any commercial or institutional project.

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EMT Conduit vs. PVC Conduit: Choosing the Right Tubing for Your Project

Selecting the optimal conduit tubing is more than a matter of cost—it can mean the difference between smooth installations and costly rework, long-term corrosion headaches, or even safety violations. In this electrical conduit comparison, two materials dominate commercial and industrial job sites: EMT (Electrical Metallic Tubing) and PVC conduits. Understanding their respective strengths—mechanical protection, corrosion resistance, installation labor, and grounding methods—enables you to specify the perfect system for each application and avoid the common pitfalls that delay projects and inflate budgets.

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Understanding Pin and Sleeve Connectors: A Comprehensive Guide for Industrial Application

Industrial facilities demand connectors that deliver safety, reliability, and ease of maintenance. Pin and sleeve connectors, engineered to IEC standards and built for rugged environments, have become the go-to choice for contractors, OEMs, and plant engineers seeking dependable power distribution. Thanks to an array of configurations, ratings, and environmental protections, selecting the right connector can feel overwhelming. This guide cuts through the complexity, explaining key technical specifications, industry trends, and selection strategies to help you choose the ideal pin and sleeve connector for your application.

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How to Choose the Right Floor Box for Commercial and Industrial Spaces

Selecting the right floor box can make or break a project. Whether you’re powering workstations in an open-plan office, supplying machinery on a factory floor, or installing data outlets in a conference center, the correct floor box ensures safety, code compliance, and a clean finish. Conversely, the wrong choice can lead to costly rework, code violations, and frustrated clients. 

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The Ultimate Guide to EMT Conduits: Installation, Code, and Best Practices

Choosing the wrong EMT conduit type or using improper installation methods can lead to code compliance issues, project delays, safety hazards, and expensive rework. This guide walks electrical contractors, engineers, and facility managers through every aspect of EMT conduit—from material advantages and NEC compliance to bending techniques and maintenance tips—so you can confidently specify, install, and maintain the right electrical metallic tubing for your next project.

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How to Choose the Right Unit Heater: Electric, Gas, and Hydronic Options Compare

The right unit heater can mean the difference between a comfortable, energy-efficient facility and soaring utility bills, safety risks, or even regulatory violations. In this guide, we’ll compare electric, gas-fired, and hydronic unit heaters in terms of efficiency, installation requirements, and total cost of ownership. By the end, you’ll have a clear framework to match your facility’s needs to the optimal heating solution.

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Compression vs. Mechanical Cable Lugs: Choosing the Best Lug Type

In industrial power distribution, the humble cable lug plays an outsized role in keeping machinery running and personnel safe. Selecting the wrong lug type can lead to overheating, voltage drop, or even fire—costly failures that no plant manager or contractor can afford to incur. 

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How to Choose the Right Pin-and-Sleeve Connector: Amp Ratings, IP Ratings, More

Selecting the optimal pin-and-sleeve connector for your industrial application is critical to safety, uptime, and compliance. A mismatched connector can lead to overheating, electrical failures, and costly downtime. Notably, 60% of manufacturing downtime is attributed to electrical failures, and unplanned outages cost an average of $125,000 per hour. This guide was created to help you pick the right connector the first time.

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