Q:What is the meaning of the second and third socket?

Five-hole socket is a two-pole and a three-pole socket combination in a panel, you can simultaneously or separately plug a two-pole and a three-pole plug.

Q:The correct connection of the power outlet plug

And some places use red that FireWire, black that zero line, yellow and green is the ground line.

Q:What is the difference between the concealed socket and the socket?

the difference between the two main box in the installation. Pay attention to the safety of the line on it.

Q:Why some plugs will affect the plug on the socket

or socket corrosion is not serious, there is no need to replace! Some appliances are on the switch, then plug in the open switch!

Q:The aviation plugs have different classification methods

in accordance with the shape of a circular connector, according to the use of points: cabinets with aviation plugs, audio equipment with aviation plugs, power aviation plugs

Q:Indoor socket generally have several?

Power outlet form of the power outlet is mounted and concealed; general type and safety type, single-phase two holes, single-phase three-hole, three-phase four-hole socket, according to the load selection socket.

Q:What is the meaning of the female socket and male plug?

Its public socket can avoid circuit overload and wire aging caused by hidden dangers. Its mother socket hole

Q:Socket has two plug, three plug, two plus three plug, there are other types of socket?

Residential power outlet should be used safety socket, bathroom and other places should be used in anti-splash-proof socket;

Q:Explosion-proof socket and the difference between ordinary socket

Ordinary socket made of ABS + polycarbonate alloy synthetic material, the socket copper is made of 1.0 mm pure copper plate and nickel plating

Q:Three-wire socket with three-wire plug how ah?

As long as the ground connection, the remaining two one for the FireWire another line for the zero line, how can access