usb 2.0 to ethernet adapter circuit city in west palm beach

Standard, higher-voltage versions are also in the lower price range.

Since 1968, homes have been required to feature three-prong outlets. If there is a loose wire, grounded receptacles trip a circuit breaker to shut off dangerous power and prevent electric shock. In appliances with metal casing or metal power supplies, like microwaves and computers, the metal connects directly to the ground prong on the power cord. Older homes often feature 2-prong outlets.Ī three-prong unit also includes a 'ground' wire that connects to the earth to drain unused power. The hot line connects to the power, and the neutral line completes the circuit. Three-prong versions will be on the higher end.Ī two-prong outlet has a 'hot' and 'neutral' line only. Two-prong receptacles will be at the lower end of the standard price range of $3 to $5. Standard units are available with either two prongs or three. Including USB ports in the socket allows you to plug smartphones, tablets, and other USB-powered devices directly into the wall to charge. The actual voltage ranges from 110-125 volts, and manufacturers build modern appliances to withstand the variations.Ī standard 15-amp, 120V with two USB ports costs $13 to $22. These 15-amp units, in use since the 1950s, can also power 110-volt devices. Standard outlets of 120 volts are typically on the lower end of the spectrum at $3 to $5 each. Find hiring guides, material costs, expert advice, how-to's and more.

Usb 2.0 to ethernet adapter circuit city in west palm beach