This tool will allow you to create your own electrical installation diagrams quickly and easily, you simply have to select the symbol you want to use and drag it to the desired position.

- Symbols according to IEC and ANSI standards for electrical engineering:
Circuit breaker, plug-in, switch, disconnector, fuse, differential (RCD), contactor, motor, generator, socket, plug base, contact, normally open NO, closed NC, valve, level, temperature, delay and advance opening and closing, limit switch, handle, interlock, push button, mushroom, lamp, grounding, energy meter, active (kWh) wattmeter, reactive (kvar) varimeter, transformer, voltage, current, three windings, overvoltage, thermal relay, magnetic, coil, clock, minimum and maximum voltage, starter, rectifier, inverter, battery, converter, AC/DC, DC/DC, frequency meter, voltmeter, ammeter, ohmmeter, soft starter, variable resistance, reactance, diode, varistor, heater, fault, star-delta transformer, insulation, regulator, connectors, conductors, phase, neutral, ground, protection, fan, photovoltaic panel, control, load and enter text such as volt, ampere, watt, energy.

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# BASIC Version #
* You can create your single-line diagram with the same symbols as the Version PRO
* You can only work with a scheme although you can share it as an image, pdf or file
* Once you create a scheme you will no longer be able to open another (they are not saved)
* Contains ads

# PRO Version # (1 - In-App Purchases)
* You will be able to open, edit and save a scheme
* Open in the following examples (link)
* No ads

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* Do you want to translate (no english) the symbol texts and receive a coupon to access the payment functions? Contact us!
* More examples: https://drive.google.com/drive/folders/15vTwFvjtu311lSEbYJLaqUfp_pyEwEDt?usp=sharing
* Videos:
Functions: https://youtu.be/o-sHBpdDNlY
(ES) https://youtu.be/TpQIjUYVLSw
(PT) https://youtu.be/NxWWA50dKO4
(PT) https://youtu.be/3uZSDbW0Y_w
(FR) https://youtu.be/wWeI1xML314
(EN) https://youtu.be/J_XgqEK5M8Q
(AR) https://youtu.be/imUdMgzFlHE

// Option A //

To download SLD | Electrical diagrams mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download SLD | Electrical diagrams mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download SLD | Electrical diagrams from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search SLD | Electrical diagrams in HappyMod App.