Large power fluctuations are not normal when measuring DC in AC/DC power supplies. DC power should be relatively stable and consistent, with minimal fluctuations. If large power fluctuations are observed, it could indicate a problem with the power supply or the measurement equipment. It is important to investigate and address any fluctuations to ensure the stability and reliability of the power supply. **

Group-regulated PC power supplies regulate the voltage for all outputs simultaneously, which can lead to inefficiencies and voltage drops. On the other hand, DC-DC power supplies regulate the voltage for each output individually, providing more stable and efficient power delivery. DC-DC power supplies are also typically smaller and more versatile compared to group-regulated PC power supplies. **

The power consumption of an extension cord depends on the devices connected to it and the length and gauge of the cord itself. Generally, a shorter and thicker gauge extension cord will consume less power because it has lower resistance and can deliver electricity more efficiently. It's important to choose the right extension cord for the specific devices and power requirements to minimize power consumption and ensure safety. **

Extension cords are flexible electrical cables with a plug on one end and one or more sockets on the other end, used to extend the reach of a power source. Power strips are devices with multiple electrical outlets, often equipped with a circuit breaker or surge protector to protect connected devices from power surges. Both extension cords and power strips are commonly used to provide additional power outlets in areas where they are not readily available, such as in offices, homes, or outdoor spaces. **

An AC power supply is a type of electrical power supply that delivers alternating current, which periodically reverses direction. This type of power supply is commonly used in household electrical outlets and is the standard form of power transmission for most electrical grids. On the other hand, a DC power supply delivers direct current, which flows in only one direction. DC power supplies are commonly used in electronic devices such as computers, cell phones, and battery-operated devices. Both AC and DC power supplies are essential for providing the electrical energy needed to power various devices and systems. **

You can find a heat-resistant power extension cable by searching for products specifically designed for high-temperature environments or industrial applications. Look for cables with a high temperature rating, such as those made with materials like Teflon or silicone. Additionally, consider cables with a heavy-duty construction and insulation to ensure they can withstand heat and provide reliable power extension in hot conditions. Be sure to check the product specifications and customer reviews to ensure the cable meets your specific heat-resistant requirements. **

There can be a slight power loss with extension cords or power strips due to the increased length of the electrical path, which can lead to a drop in voltage. However, this power loss is usually minimal and should not significantly impact the performance of most devices. It is important to use high-quality extension cords and power strips to minimize any potential power loss and ensure the safe operation of your electrical devices. **

Yes, you can replace a 12V DC 0.6A 72W power supply with a 12V DC power supply rated between 1 to 2A. The key factor to consider when replacing a power supply is to ensure that the voltage matches (12V in this case) and that the new power supply can provide at least the same amount of power (72W). As long as the new power supply falls within the voltage range and can deliver the required power, it should be compatible with your device. **