How To Move A Shower Drain In A Concrete Floor
Moving a shower drain in a concrete floor requires breaking up the concrete and digging a new pipe trench. With the right power tools, this job isn't too complicated.
Read MoreRobert Sylvus
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Stories By Robert Sylvus
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How To Wire A NEMA 6-15 Plug
A NEMA 6-15 plug is for a 15-amp, 240-volt circuit and is generally used for office equipment and some air conditioners. The manufacturer recommends using 14-gauge, two conductor cable, but it's safer to upgrade this to 12-gauge. Don't forget to identify the white wire as a hot wire, not neutral.
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How To Fix A Freezer That Leaks Water Down To The Refrigerator
A leaking freezer most likely indicates a bad seal around the freezer door or rom the defrost heater.
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How To Wire A 220 Thermostat
A 220-volt thermostat, or a line-voltage thermostat, connects directly to the wires powering the heater rather than to low-voltage wires from a transformer.
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How To Charge Refrigeration Systems
Many people want to know how to charge a refrigeration system after their system starts to fail. Unfortunately, this is a very technical task and professionals are usually required to handle the task. In fact, the EPA requires certified professionals to change refrigerants in many systems.
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How To Wire A Float Switch
A float switch prevents flooding. An air conditioner includes a normally closed float switch, which turns off the system if the condensate drain clogs and water overfills the drip pan. A bilge or sump pump has a normally open float switch, which turns on the pump when the water level rises above a set point.
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How To Replace Relays For An Air Conditioner
An air conditioner uses relays to switch the system's high-voltage parts on and off. The relay contains a low-voltage coil and a high-voltage switch, sometimes called "contact points." When the thermostat switches on, a low-voltage signal energizes the appropriate relay.
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How To Charge A Home AC Compressor With R-22
Most homes with an air conditioning system manufactured before January 1, 2010 use R-22 as the refrigerant. The AC compressor circulates the refrigerant through the system's pipes, metering devices and coils. AC systems with a low R-22 charge do not perform at peak efficiency.
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How To Add R-410 Refrigerant
An azeotrope refrigerant blends multiple refrigerant compounds to form a single refrigerant. Most refrigerant blends boil at different rates and require complete evacuation before adding a full charge.
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How To Use A Hopper Gun For A Popcorn Ceiling
A hopper gun sprays popcorn-style drywall texture on ceilings. Popcorn texture hides the ceiling's drywall joints, screw holes and any slight imperfections in the drywall's surface. Popcorn gives the ceiling a uniform, uninterrupted surface. Adjusting the nozzle on a hopper gun changes the look of the texture.
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How To Raise pH In A Hot Tub
A hot tub's water should have a pH level between 7.2 and 7.8, with an ideal range between 7.4 and 7.6. Water with a low pH level corrodes the hot tub's metal parts, heater and the seals. Low pH also causes skin irritation. Hot tub water with low pH has a high acidic level.
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How To Wire Rotary Switches
A rotary switch connects several devices to an electric source. The electricity enters the rotary switch's input terminal and the switch sends electricity to the output terminal selected. Some rotary switches contain more than one circuit. These contain two or more input terminals, called "poles,"
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How To Wire Up A Start Capacitor
Large electric motors with a high starting torque, like an air conditioner's compressor motor, often use a start capacitor kit. A start capacitor kit contains a start capacitor, relay and wires. The start capacitor gives the motor's windings an electric boost during the start-up phase.
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How To Test A Well Pump Control Box
Technicians should test a well pump's control box before pulling a nonworking pump from the well. When the water tank's pressure switch detects low water pressure, its switch closes, which turns on the electricity to the control box.
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How To Test If A Motor Winding Is Grounded
A motor fails when its windings short to ground, short to each other, or open--a break in the winding's wire. The wire in the windings use an insulating covering as an isolation barrier. If the winding's insulation wears away near the motor's case, the bare-wire winding shorts to ground.
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How To Troubleshoot A Low-Voltage Transformer
Low-voltage transformers operate many household appliances, from doorbells to air-conditioning systems. A low-voltage transformer taps into a home's high-voltage power supply and produces a safe, low-voltage electrical feed.
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How To Wire A 220 Switch
Many household appliances use 220-volt switches. These switches, commonly found connected to a pool's pump motor and some air conditioning units, connect to four hot wires. Two wires feed the switch and two wires connect to the appliance.
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How To Wire A Doorbell With 6 Wires
Doorbell systems with two doorbell switches use six wires. Two wires exit a transformer and two wires travel to each doorbell switch. The transformer supplies a low-voltage power supply for the home's centralized alarm systems, including the doorbell and sometimes fire-safety systems.
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How To Recharge Freon To Repair A Refrigerator
Freon, Dupont's trademarked name for CFC and HCFC refrigerants, has become a generic name for all refrigerants. Refrigerators manufactured before 1995 usually contained R-12, a CFC, as a refrigerant. Only EPA certified technicians can buy R-12.
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