Archive | Electrical Wiring

Green wires are HOT!!!

Does Electricity Care?

No,electricity does not care what color wire is but I do!!! I see it all the time. People will redo wiring with any color they can find if they don’t have the right color on hand. Although electricity does not care what color the wire is you should for safety (more…) Join our community to […]

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Electrical Drawings & Symbols

Electrical Drawings & Symbols These are quick start videos about reading,understanding and interpreting electrical drawings & symbols. Part 1 is the introduction video for all 4 pages of these electrical drawings series. Through out the series I recap the precious videos so that you can have a reference to other (more…) Join our community to […]

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Multiwire Branch Circuits NEC 210.4

This video should help you understand article 210.4 a,b,c,d about multiwire branch circuits. The main reason for the code would be to help protect service personal while working on the circuits. Another reason to pull in separate neutrals vs using a common trip handle is that when rewiring a building (more…) Join our community to […]

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25 HP Electric Motor Basic Control wiring

 25 HP Electric Motor Basic Control wiring: This is the very basics of wiring a 25hp motor to be controlled by the car wash operator or by a customer. The customer has a momentary contact push button that allows the motor to run a at preset time duration.The video does (more…) Join our community to […]

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USA Common Power Sources

    Power Sources   Power supplies common in the US Here are some common power supplies for residential and commercial buildings. In the feild as an installer the term 277/480 is referred to as high voltage and 120/240/208 as low voltage. Generally speaking that is. 48 volts and below (more…) Join our community to […]

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