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Description: ryb.com.bd Series Parallel Testing Board How to Make Electric series board for testing electric product How To Make An Electrical Series Testing Board What is series lamp test? A series test lamp is a way that electricians would test or find a “short circuit” somewhere in a residential building. ... These same principles can be used to locate “high amperage drawing” devices in any circuit, just not as conveniently as screwing a light bulb into the fuse socket. Visit My website for Electrical Jobs,Smart Home Automation Products & Systems"Diagram" Watching More Most viewed Videos star delta connection without motor !Use incandescent light bulb STAR DELTA Starter youtu.be/zUPeV5OO0iA three phase dol starter Control overload Indicator Power Wiring diagram youtu.be/bBxZnW6szgU 3 phase DB main Power cable termination youtu.be/HedRGM5zR7Q star delta starter control circuit diagram ! star delta connection youtu.be/OtydNtCxYQI Electrical house wiring 3 gang switch wiring diagram youtu.be/wwb4OTCk25M Single Phase split AC indoor outdoor wiring diagram RYB ELECTRICAL youtu.be/ohYroLQWDkE Star delta starter power circuit wiring diagram youtu.be/LtHOybhXpiU singele phase DB wiring diagram single phase meter wiring diagram energy meter and MCB board youtu.be/Jcq072qWPqM Reverse Forward DOL Starter Power and control Wiring youtu.be/1SkaZteQE6o ring socket wiring diagram electrical house waring youtu.be/xuB5b3OUHQk two way light switch wiring diagram youtu.be/6fv5YTWc0nA emergency light switch wiring diagram! youtu.be/PEcb7vnIzMA cable glanding and termination low voltage switchgear youtu.be/iKdtLoFrLEA STAR DELTA STARTER REVERSE FORWARD POWER WIRING CONNECTION youtu.be/VHcYzfll744 Low Voltage Switchgear youtu.be/bEK4S-W3fK0 How to Install cable tray Practical Skills youtu.be/pAk3V3iWI9M LCP lighting control panel using contactor and relay youtu.be/kyzYe-6-lpQ tube light circuit wiring diagram youtu.be/w67G-pPqHuE window ac wiring connection diagram RYB ELECTRICAL youtu.be/gWsPJG-FeCM FORWARD REVERSE STAR DELTA STARTER CONTROL WIRING CONNECTION DIAGRAM youtu.be/bwRvCm1SYRs 3 PHASE DISTRIBUTION BOARD WIRING DIAGRAM youtu.be/3GWv-NIFT2M ELECTRICAL SWITCH BOARD WIRING DIAGRAM ! DIY HOUSE WIRING youtu.be/JmwL-3rhgwY 11 kv Switchgear view youtu.be/gAGhO6JCgkQ Door Bell Wiring multiple switch and series lamp youtu.be/o0aLg09Eth4 House Wiring Electrical Main Board youtu.be/ph49HTYkg8M power socket installation and power socket outlet connection youtu.be/WP0pN492heE THREE PHASE DOL STARTER CONTROL AND POWER WIRING DIAGRAM REVERSE FORWARD WITH LIMIT SWITCH youtu.be/ziZkzOxfL6o Electrician Hand tools part 1 youtu.be/XpibKoWzZLc THREE PHASE ENERGY METER CONNECTION WIRING DIAGRAM- METER BOARD youtu.be/1tJyLS55uGc intermediate switch/3 way switch connection wiring diagram youtu.be/2A3ZLkFvVy4 How to Make AC to DC converter at Home youtu.be/h6OsVZCjwFs fan connection with regulator Wiring Diagram youtu.be/bxSktqUqzsQ Proper Joint Of Electric Wire Three Different Types Of Electrical Joints youtu.be/u8iuReBYtXQ A series test lamp is a way that electricians would test or find a “short circuit” somewhere in a residential building. Back when homes used “screw in fuses,” that had the same thread pattern as a light bulb (known as an Edison Thread), if one circuit in a house was repeatedly blowing fuses, the electrician would remove all loads from that circuit by unplugging all appliances and turning off all of the room switches in that circuit, remove the blown fuse and replace it with a regular high wattage light bulb rated for the house’s voltage (117V in USA). If the lamp glowed at all, it meant that there was load (less than infinite resistance) in the house wiring. If it did not light up at all, the electrician would go around turning switches on in that circuit to see which “switched branch of the circuit” had a partial short (60 ohms) or a dead short (0 ohms). If the series test lamp burned very dimly, it meant that the switched circuit had a small enough load that it would not blow the fuse. After checking the switched branches of the circuit, he would start plugging in appliances commonly used on that circuit. Whichever appliance caused his light in the fuse socket to burn brightly was the offending appliance that had a short in it. These same principles can be used to locate “high amperage drawing” devices in any circuit, just not as conveniently as screwing a light bulb into the fuse socket.