Tools for injection molding may be hard to design or manufacture. However, they have basic concepts which are easy to understand. An injection molding gate system helps to direct the molten plastic from the nozzles of molding machines. This is literally a gateway of the plastic into the core of the

Injection molding is a manufacturing process used in creating a wide range of products in a short amount of time. For an effective manufacturing process, a durable mold is crucial in injection molding as it ensures consistency in the quality of part production. However, due to mold design inconsiste

Injection molding is the most common manufacturing process for making plastic products composed of multiple parts that must be assembled at the final stage of production. Part assembling involves the proper alignment and joining of different parts. Here, tolerance is very important, and if not corre

AWG – American Wire Gauge Chart – Wire Size & Amps Rating Table American Wire Gauge “AWG” is one of the important and standard tools in the US NEC (National Electrical Codes) used to sizing different cables and wires for multiple applications. Similarly to the SW

Installation of SPST – 2-Way Switch (NEC) AKA 1-Way Switch (IEC) for 120/240V & 230V AC – 2-Way & 1-Way Circuits What is SPST Switch? SPST (stands for Single Pole Single Throw) switch is the most commonly used switch to control the ON and OFF operations of household app

Installation of SPDT – 3-Way Switch (NEC) AKA 2-Way Switch (IEC) for 120/240V & 230V AC – 3-Way & 2-Way Circuits What is SPDT Switch? SPDT (stands for Single Pole Double Throw) switch is used to control the ON and OFF operations of two circuits e.g. household appliances

How to Wire an DPST Switch? Controlling 120V/240V & 230V Circuit using Double Pole, Single Throw Switches What is Double Pole, Single Throw (DPST) Switch? DPST stands for Double Pole, Single Throw switch. It is basically two SPST switches packed in a single unit and operated by a single

How to Wire an DPDT Switch? Controlling 120V/240V & 230V Circuit using Double Pole, Double Throw Switches What is Double Pole, Double Throw (DPDT) Switch? DPDT stands for Double Pole, Double Throw switch. It is basically two SPDT switches packed in a single unit and operated by a singl

How to Wire an Intermediate Switch as Three-Way Switching & Wiring Crossover Switch as Four-Way Switching – IEC & NEC What is 4-Way Switch and 3-Way Switch – NEC & IEC? There is no difference between 4-way switch (NEC) and 3-Way switch IEC e.g. it represents the sam

Installation of Combination Double Switch (NEC) AKA 2-Gang, 1-Way Switch (IEC) for 120/240V & 230V AC What is Combination Double Switch (AKA 2-Gang, 1-Way Switch)? Double Switch (NEC) or 2-Gang, 1-Way Switch (IEC) represent the same thing i.e. it is a two single pole (SPST) switches in

Installation of Three-Way Combo Device for Common and Separated Feed What is a 3-Way Combination Device? A Three-Way combo device with an outlet is actually the combination of a grounded outlet and a 3-way switch in a single unit (such as Leviton 5245, 5241, 5641 etc.). It can be used for

Installation of Double Three-Way Switch Combo Device for Common & Separated Feed What is a Double 3-Way Combo Switch Device? A Three-Way combo switch device is actually the combination of two 3-way switches in a single unit (such as Leviton 5243, 5640, 5643 etc.) It can be used for 120

2-Way & 3-Way Switching Connections – Electrical Wiring Diagrams What is Two Way & Three-Way Switching Circuits? Two-way switching or (three-way circuits in the US) connection is used to control electrical appliances and equipment like fan, lighting points etc. from different

Parallel Operation of DC Generators – Condition, Advantages and Load Sharing In a power system network, power is supplied by many generators that are connected in an interconnected network. Instead of using a single large generator, many small DC or AC generators are operated in paral

Needs & Conditions for Parallel Connection of Transformers In a power system network, transformers are used to step up and step-down voltage levels. The rating of a transformer is selected according to the load demand. But load demand increases day by day. Hence, to meet extra load dema

How to know the Value of Inductance of an Inductor using Standard & Color Codes – Calculators & Examples Reading Value of Inductor Marking Codes For small Inductors like air-core, iron-core, ferrite-core or SMD inductors etc., the surface area of the component is very small hence

How to know the Value of Capacitance of a Capacitor using Standard & Color Codes – Calculator & Examples Same like the resistor color codes, there are special indications like bands, dots or points are printed on different types of capacitors which are used to show the value o

Determine the Suitable Size of Battery Bank Capacity for Solar, Home & General Applications – Example & Calculator Direct usage of renewable energy like wind and solar power is not that much efficient if we don’t store them for later use. Obliviously, we can do it using

How to Calculate the Right Size Generator for Home and Commercial Applications? A generator is a suitable alternative to provide electric power where and when you need it in case of power failure and emergency power outage, blackouts, construction sites, camping, outdoor and RV (Recreationa

USB LED Light Fan Analog Clock Using Arduino NANO – Project Code & Circuit Diagram with Time Setting Feature If you have watched the video of the famous gadget of Mini USB LED light Fan clock, get ready as we will design the same LED light analog clock based on Arduino NANO, hall