How to choose electric plastic junction box?
The selection and purchase of electric plastic junction box is also more fastidious,
because in the harsh environmental conditions,
the electric plastic junction box selection of materials and surface treatment process is very important,
Zinc spraying or stainless steel can reliably protect the box from mechanical damage,
First of all, the type of junction box, manufacturer's name or trademark should be clear.
It is best to choose a well-known brand, because quality is the key.
Secondly, when the wire is connected with the terminal,
the contact is uniform, there is no obvious gap, the connection is tight, and there is no loosening phenomenon,
If the contact is bad, the signal will be good and bad.
The socket position is even, the edge is not protruding,swelling and other defects affecting the plug;
the household abs plastic junction box should be have a protective door;
the socket should have a certain width with the edge of the panel to ensure that the plug unipolar can not be inserted;
Regular plastic power junction box panel color uniform, bright surface, no dents, variegated defects, while the counterfeit goods will be on the contrary;
the terminal posts and screws should be with the bright surface, no rust marks, deformation and cracks;
switch, socket rated current should be greater than or equal to the line rated current,
Regular junction box panel color uniform, bright surface, no dents, variegated defects, counterfeit goods on the contrary;
the terminals and connection screws should be bright surface, no rust marks, deformation and cracks; switch,
socket rated current should be greater than or equal to the line rated current;
The combination of the panel and the bottom plate is firm and there is no loosening;
the panel and the bottom plate can be easily disassembled by means of tools, without tightness and difficulty in disassembly and assembly,