answersLogoWhite

0

📱

New Electrical Work

Electrical work ranges from the installation of new electrical components to the maintenance and repair of existing electrical infrastructure. It may also include wiring airplanes, ships and other mobile platforms.

4,938 Questions

How do you run a 100 amp subpanel off a 60 amp subpanel?

To run a 100 amp subpanel from a 60 amp subpanel, you first need to ensure that the 60 amp subpanel is capable of handling the additional load. Install a double-pole 60 amp breaker in the 60 amp subpanel and connect it to the feeder wires that will supply the 100 amp subpanel. However, since the 60 amp subpanel cannot provide full capacity to the 100 amp subpanel, you should limit the load on the 100 amp subpanel to a maximum of 60 amps. It's also advisable to consult with or hire a licensed electrician to ensure compliance with local electrical codes and safety standards.

Is connecting 20 amp breaker to 14 gauge wire safe?

No, connecting a 20 amp breaker to 14 gauge wire is not safe. The National Electrical Code (NEC) specifies that 14 gauge wire is rated for a maximum of 15 amps. Using a 20 amp breaker could lead to overheating and potentially cause a fire hazard if the wire is overloaded. It is recommended to use 12 gauge wire for a 20 amp circuit to ensure safety and compliance with electrical codes.

Where can you find a 30mA GFCI breaker for GE panel?

You can find a 30mA GFCI breaker for a GE panel at home improvement stores such as Home Depot or Lowe's, as well as electrical supply stores. Online retailers like Amazon or specialized electrical supply websites may also carry them. Be sure to check the specifications to ensure compatibility with your GE panel. Additionally, contacting a licensed electrician can provide guidance on sourcing the correct breaker.

What is the LUX of a 400 watt metal halide?

The luminous output of a 400-watt metal halide lamp typically ranges from about 30,000 to 40,000 lumens, depending on the specific design and efficiency of the bulb. To convert lumens to lux, you need to consider the area over which the light is distributed. For example, if the light is spread over an area of 10 square meters, the illuminance would be approximately 3,000 to 4,000 lux.

What is the wire size to a 40 amp double oven?

For a 40 amp double oven, the recommended wire size is typically 8 AWG copper wire or 6 AWG aluminum wire. This gauge ensures that the wire can safely handle the current without overheating. It's also important to check local electrical codes and consult a qualified electrician for specific installations. Additionally, ensure that the circuit breaker is properly rated for the oven's amperage.

What does mean of 16 AWG S?

The term "16 AWG S" refers to a specific type of electrical wire. "16 AWG" stands for 16-gauge wire, which indicates its diameter and current-carrying capacity; it is commonly used for low to moderate power applications. The "S" typically signifies that the wire is stranded, meaning it is made up of multiple smaller strands of wire twisted together, which provides greater flexibility compared to solid wire of the same gauge.

How many breakers on transformer in one?

The number of breakers associated with a transformer can vary depending on the system design and application. Typically, a transformer may have one main circuit breaker on the high-voltage side and another on the low-voltage side to protect the transformer and the connected loads. In some setups, additional breakers for protection and isolation may also be included. Overall, the configuration can range from one to several breakers, depending on safety and operational requirements.

What size conduit for a 240 volt 50 amp wire?

For a 240 volt, 50 amp circuit, you typically use a minimum of 3/4 inch conduit for copper wire and 1 inch conduit for aluminum wire, assuming you are using THHN or THWN wire. The specific size may vary based on the number of conductors and any bends in the conduit. Always consult local electrical codes and the National Electrical Code (NEC) for precise requirements and adjustments based on your specific installation conditions.

How do you change 100 amp breaker in existing box?

To change a 100 amp breaker in an existing box, first ensure your safety by turning off the main power supply to the panel. Remove the panel cover and carefully disconnect the wires from the old breaker, noting their positions. Install the new breaker by connecting the wires to it in the same configuration, then securely snap the breaker back into the panel. Finally, replace the panel cover and turn the main power back on, checking that the new breaker functions correctly.

What size wire should i use for 120 volts 500 feet run?

For a 120-volt circuit running 500 feet, it's essential to consider voltage drop, which can significantly affect performance. Typically, a 10-gauge wire is recommended for a run of this length to minimize voltage drop, especially if the load is significant (up to 30 amps). For lighter loads, you might be able to use 12-gauge wire, but it's best to calculate the specific load requirements and consult local electrical codes. Always prioritize safety and consider consulting a licensed electrician for specific applications.

How much 450 watts bulb take?

A 450-watt bulb consumes 450 watts of electrical power when it is turned on. If it operates for one hour, it will use 0.45 kilowatt-hours (kWh) of energy. The cost of running the bulb will depend on your local electricity rates, which are typically charged per kWh. For example, if the rate is $0.12 per kWh, running the bulb for one hour would cost about $0.054.

Can you have a neutral and common buss bars in a junction box that is connected to main panel?

Yes, you can have neutral and common bus bars in a junction box connected to the main panel, but they must be kept separate to comply with electrical codes. The neutral bus bar should only connect to neutral wires, while the common or ground bus bar should be dedicated to ground wires. This separation helps ensure safety and prevents unwanted current from flowing on grounding conductors. Always check local codes and regulations to ensure compliance.

What is rigid nonmetallic conduit used for?

Rigid nonmetallic conduit (RNMC) is primarily used to protect and route electrical wiring in various applications, especially in environments where moisture or corrosive elements may be present. Made from durable materials like PVC, it provides excellent resistance to chemicals, UV light, and physical damage. RNMC is often employed in residential, commercial, and industrial settings for both above-ground and underground installations to ensure electrical safety and compliance with building codes.

Where is the ground wire for a Chevy S-10 located?

In a Chevy S-10, the ground wire is typically connected to the vehicle's chassis or frame, often near the battery or engine block. You can usually find it on the driver's side of the engine compartment, where it connects to a metal surface to ensure a proper ground connection. Additionally, it may also be attached to the rear of the engine or under the dashboard, depending on the specific model year. Always refer to the vehicle's service manual for precise locations.

What size breaker would you need for 15 ton R.T.U?

To determine the appropriate breaker size for a 15-ton rooftop unit (R.T.U.), you typically use a rule of thumb that suggests sizing the breaker based on the unit's full load amperage (FLA). A 15-ton unit generally has an FLA of around 60-75 amps, depending on its specific efficiency ratings and electrical specifications. Therefore, a breaker size of 80 amps is commonly recommended to accommodate starting currents and ensure proper protection. Always consult the manufacturer's specifications and local electrical codes for precise sizing.

How many outlets are allowed on a 240V branch circuit?

The National Electrical Code (NEC) does not specify an exact number of outlets for a 240V branch circuit. However, it is generally recommended to limit the number of outlets to avoid overloading the circuit, typically suggesting a maximum of 12 to 16 outlets for a 15A or 20A circuit. The actual number can also depend on the specific load requirements of the devices being used. Always ensure that the total load does not exceed the circuit's capacity.

If you have a 60 amp ac unit using 6 cu what size ground wire is required?

For a 60 amp air conditioning unit, the National Electrical Code (NEC) typically requires a grounding conductor of at least 8 AWG copper or 6 AWG aluminum. However, local codes can vary, so it's important to check with your local authority or a qualified electrician to ensure compliance. Always ensure that the grounding wire is properly sized to provide adequate safety and protection for the equipment.

How many 90 degree bends are allowed in a 70' run of conduit?

According to the National Electrical Code (NEC), in a straight run of conduit, you can have a maximum of 360 degrees of bends. Since a 90-degree bend counts as 90 degrees, you can have up to four 90-degree bends in a 70-foot run of conduit. However, if the conduit is longer or includes additional fittings, it's essential to consider the total degree of bends and plan accordingly. Always consult local codes and regulations, as they may have specific requirements.

Is it safe to have hanging clothes over an electrical wall outlet?

It is not safe to hang clothes over an electrical wall outlet. This can obstruct airflow, potentially leading to overheating or increased fire risk. Additionally, if the clothes come into contact with the outlet or if there is a short circuit, it could increase the likelihood of an electrical hazard. It's best to keep the area around outlets clear and dry.

Can you report electric socket over heating as fire incident?

Yes, an overheating electric socket can be reported as a fire incident, especially if there is a risk of ignition or if it has already caused smoke or flames. It's important to treat any signs of electrical issues seriously, as they can lead to significant fire hazards. Reporting it can help ensure that appropriate safety measures are taken and prevent potential accidents. Always prioritize safety and call emergency services if you believe there is an immediate danger.

How do you ground a meter socket?

To ground a meter socket, first, ensure the power is turned off. Connect a grounding electrode conductor, typically a copper or aluminum wire, from the grounding terminal of the meter socket to a grounding rod or other grounding system that complies with local electrical codes. Securely attach the grounding wire using appropriate connectors and ensure all connections are tight and corrosion-resistant. Finally, inspect the installation for compliance with the National Electrical Code (NEC) and local regulations.

How many amps can you run through 200 feet of number 8 aluminum wire?

The ampacity of number 8 aluminum wire can vary based on factors like insulation type and ambient temperature, but it typically ranges from about 30 to 40 amps for general use. For a 200-foot run, voltage drop should also be considered, as longer distances can reduce efficiency. It's advisable to use voltage drop calculations to ensure the wire can handle the intended current without excessive loss. Always consult local electrical codes and standards for specific applications.

How many amps should your amp gauge read?

The reading on your amp gauge depends on the specific electrical system and load of your vehicle or device. Typically, a healthy system should show a reading between 10 to 20 amps at idle, but this can vary based on the number of accessories being used and the overall demand on the electrical system. For precise readings, consult the manufacturer’s specifications for your vehicle or device.

What type of electrical outlet is required within six feet of any water source?

An electrical outlet within six feet of any water source is required to be a Ground Fault Circuit Interrupter (GFCI) outlet. GFCI outlets are designed to protect against electrical shock by quickly shutting off power if they detect an imbalance in electrical current. These outlets are commonly used in areas like bathrooms, kitchens, and outdoors where water may be present.

How many ampere the cable wire 4 phase 50mm?

The current-carrying capacity of a 50mm² cable can vary based on factors such as insulation type, installation conditions, and ambient temperature. Generally, a 50mm² copper cable can handle approximately 160 to 220 amperes in a three-phase system. For a four-phase system, the capacity may be similar, but it's essential to consult the specific cable manufacturer's guidelines or local electrical codes for precise ratings. Always consider safety factors and derating when planning electrical installations.