Industrial Electrical Equipment

石垣商店

Establishment1951/06
capital1000Ten thousand
number of employees30
addressAichi/Moriyama-ku, Nagoya-shi/1-629 Sego
phone052-793-3080
last updated：
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Basic Thread Processing of Copper Busbars - How to Choose Between Roll Taps and Cutting Taps

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How to Use Flexible Busbars in Transformers - Basics of Designing for Thermal Expansion and Vibration Relief

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Introduction to the Concept of Thickness and Number of Layers in the Laminated Structure of Flexible Busbars

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What is parasitic inductance in a DC link? ─ Fundamentals of low inductance design

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Appearance Quality Standards for Copper Busbars | How to Identify Scratches, Discoloration, and Dents

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Which to choose: round bars or flat bars, copper busbars ─ Basics of shape selection

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Discoloration of Copper Busbars - How to Distinguish Between Dangerous Discoloration and Harmless Discoloration

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Comparison of Electrical Conductivity of Copper and Brass (Yellow Brass) - Reasons for Not Being Used as Conductive Materials

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Considerations for the size and dimensional tolerances of copper busbars.

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What is the copper base price ─ Understanding the pricing revision mechanism and how to read estimates.

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Conductors for railway vehicles and ground equipment - Materials that explain the response to vibrations and direct current high currents.

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Strip conductors and busbars - How to interpret standard terminology

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Basic Guide to the Hum and Electromagnetic Vibration of Copper Busbars

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Seismic Measures for Copper Busbars - Fundamentals of Support Design [Materials]

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Basics of Crimp Terminals and High Current Connections - Concepts for Preventing Heat Generation at Connection Points

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Short Circuit Accidents on the Board Due to Small Animal Intrusions - Basic Information on Intrusion Routes and Countermeasures [Downloadable Materials Available]

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The Concept of Color Classification (R/S/T) - How is the Color Display of Conductors Determined?

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Role of Copper Busbars and Insulators - Basics of Support and Insulation

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Partial plating and full plating of copper busbars - Basics of choosing connection surfaces [Downloadable materials available]

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Shock Prevention Covers for Busbars - How to Choose and Basics of Regulations and Accident Cases [Downloadable Materials Available]

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What is an ounce copper plate? How to convert the thickness notation of copper foil (oz) to mm and μm.

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What is the difference between IEC 61439 and JIS? Basics of panel verification methods.

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Preventing Electric Shock - Basics of Insulation and Spacing of Conductors in Panels

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Introduction to Weight Calculation of Copper Busbars - A Method Based on Specific Gravity 8.89

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The story of the change in bus duct standards - How to read the JIS C 8364 2025 revision.

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How to Choose a Copper Busbar Processing Company - Four Comparison Criteria [Downloadable Materials Available]

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Practical Guide for Installing Copper Bars (Bus Bars) ─ Basics of Support, Fastening, and Phase Sequence

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Comparison of Conductivity between Copper Busbars and Aluminum Busbars - Cross-Sectional Area and Weight Conversion Guide

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What is the difference between a busbar and a bus bar? - Organizing the correspondence with busbar notation and main lines.

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Overview of Types and Uses of Copper Busbars - From Power Equipment to EVs and Data Centers

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Inspection of conductors during regular checks of the panel - How to distinguish discoloration, looseness, and overheating.

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Differences Between Bus Ducts and Bus Bars ─ A Guide to Understanding Their Distinctions Through Internal Structures

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Reading of the copper material symbol - Alloy number, shape symbol, and quality breakdown guide.

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[Explanation of Differences] What is the Difference Between Insulation Distance and Creepage Distance ─ Basics of Conductor Layout in Panels

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What is a distribution bar? - The role of branch busbars in distribution boards and how to determine their size.

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What amperage should be considered for copper busbars? An introduction to choosing cables.

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【Arrangement Guide】Ordering Copper Busbars with 3D Data ─ Usable Data Formats and Points to Note

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[Basic Explanation] Short-Circuit Current and Electromagnetic Force - The Basics of the Forces Acting on Busbars

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[Basics of Maintenance] The Concept of Re-tightening - Why Does Fastening Force Diminish Over Time?

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Design of DC Bus for Battery Energy Storage System (BESS) | Large Current Conductors from PCS to Power Receiving Panel

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Design Fundamentals of Copper Busbars for EV and Energy Storage Batteries | Addressing High Current, Heat Generation, and Vibration

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[Basic Explanation] What is a Temperature Rise Test ─ How to Read Temperature Regulations for Panels and Conductors

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[Fundamentals of Design] Calculation of Unfolded Length - How to View Elongation in the Bending Process of Copper Busbars

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Basics of Procurement: How to Read a Mill Sheet (Material Inspection Certificate) - In the Case of Copper Materials

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[Fundamentals of Maintenance] Connection Diagnosis Using Thermography ─ The Trap of Emissivity and Temperature Difference Determination

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