VIOX Blog

Electrical Engineering Guides & Insights

Terminal Box vs Junction Box: An Electrical Engineer’s Guide (2026)

Electrical Enclosures & Connectivity

Terminal Box vs Junction Box: An Electrical Engineer’s Guide (2026)

Joe2025-07-17

Circuit Protection

Fuse Electrical Symbols: IEC, ANSI, DC and Fuse Type Chart

Joe2025-07-17

Fuse Electrical Symbols: IEC, ANSI, DC and Fuse Type Chart

Solar, DC & Energy Storage

Difference Between a Combiner Box and a Junction Box

Joe2025-07-17

Difference Between a Combiner Box and a Junction Box

Circuit Protection

Understanding Ground Fault Protection

Joe2025-07-16

Understanding Ground Fault Protection

Circuit Breaker Trip Curve Explained: How to Read Time-Current Curves

Circuit Protection

Circuit Breaker Trip Curve Explained: How to Read Time-Current Curves

Joe2025-07-16

Understanding Timer Switch Types, Functions & Applications

Industrial Control & Automation

Understanding Timer Switch Types, Functions & Applications

Joe2025-07-16

Does a Battery Disconnect Switch Go on Positive or Negative?

Power Distribution & Switchgear

Does a Battery Disconnect Switch Go on Positive or Negative?

Joe2025-07-16

How to Properly Fuse a Solar Photovoltaic System

Solar, DC & Energy Storage

How to Properly Fuse a Solar Photovoltaic System

Joe2025-07-16

What Is an MCCB? Molded Case Circuit Breaker Meaning, Working Principle, Ratings, and Applications

Circuit Protection

What Is an MCCB? Molded Case Circuit Breaker Meaning, Working Principle, Ratings, and Applications

Joe2025-07-15

How MCB Changeover Switches Ensure Continuous Power During Outages

Circuit Protection

How MCB Changeover Switches Ensure Continuous Power During Outages

Joe2025-07-15

How to Test If a Circuit Breaker Is Bad: Multimeter Checks, Symptoms, and Failure Modes

Circuit Protection

How to Test If a Circuit Breaker Is Bad: Multimeter Checks, Symptoms, and Failure Modes

Joe2025-07-15

How to Test a Bad DC Fuse in PV System

Solar, DC & Energy Storage

How to Test a Bad DC Fuse in PV System

Joe2025-07-15

7 Critical Warning Signs Your Air Circuit Breaker Is Failing

Circuit Protection

7 Critical Warning Signs Your Air Circuit Breaker Is Failing

Joe2025-07-15

Complete Guide to Air Circuit Breakers (ACB): Working Principle, Types, Installation & Maintenance

Circuit Protection

Complete Guide to Air Circuit Breakers (ACB): Working Principle, Types, Installation & Maintenance

Joe2025-07-14

Why Top Hat DIN Rails (TH35) Are the Industry Standard

Electrical Enclosures & Connectivity

Why Top Hat DIN Rails (TH35) Are the Industry Standard

Joe2025-07-14

How Circuit Breaker Poles Affect Voltage & Current Protection

Circuit Protection

How Circuit Breaker Poles Affect Voltage & Current Protection

Joe2025-07-14

2-Pole vs 3-Pole Breaker: Complete Guide

Circuit Protection

2-Pole vs 3-Pole Breaker: Complete Guide

Joe2025-07-14

How Managing Two Separate Power Sources Improves Safety and System Stability

Electrical Engineering & Standards

How Managing Two Separate Power Sources Improves Safety and System Stability

Joe2025-07-14

Copper vs Silver Electrical Conductivity

Electrical Engineering & Standards

Copper vs Silver Electrical Conductivity

Joe2025-07-13

MCB vs MCCB vs RCB vs RCD vs RCCB vs RCBO: What’s the Difference?

Circuit Protection

MCB vs MCCB vs RCB vs RCD vs RCCB vs RCBO: What’s the Difference?

Joe2025-07-12

Thermal Overload Relay Explained: Motor Protection, Working Principle, Contacts, and Selection

Industrial Control & Automation

Thermal Overload Relay Explained: Motor Protection, Working Principle, Contacts, and Selection

Joe2025-07-12

3 Phase Isolator Switch: 3P vs 4P, Ratings and Wiring

Power Distribution & Switchgear

3 Phase Isolator Switch: 3P vs 4P, Ratings and Wiring

Joe2025-07-12

Do EV Chargers Need Surge Protection？

Surge Protection & Power Quality

Do EV Chargers Need Surge Protection？

Joe2025-07-12

Where Is the Distribution Box Located and How to Find It

Electrical Enclosures & Connectivity

Where Is the Distribution Box Located and How to Find It

Joe2025-07-11

How to Select the Right RCBO

Circuit Protection

How to Select the Right RCBO

Joe2025-07-11

Voltage vs Current: Difference Between Volts, Amps, Watts, and Potential Difference

Electrical Engineering & Standards

Voltage vs Current: Difference Between Volts, Amps, Watts, and Potential Difference

Joe2025-07-11

How to Choose the Right EMC Cable Gland

Electrical Enclosures & Connectivity

How to Choose the Right EMC Cable Gland

Joe2025-07-10

Surge Protection Devices Pros and Cons: Are SPDs Worth It?

Surge Protection & Power Quality

Surge Protection Devices Pros and Cons: Are SPDs Worth It?

Joe2025-07-10