1, pay attention to the switch contacts, because the quality of the contacts directly determines the safety performance of the switch products and the length of life, in the better quality of the switch products commonly used contact materials are silver cadmium oxide, silver zinc oxide, etc. Silver alloy.
2, should choose the use of high-quality flame-retardant engineering plastic switch. The high-quality switch panels use advanced plastic products that look uniform and have a smooth, smooth surface.
3, pay attention to the current capacity of the switch, the nominal current of the switch should not be less than the working current of the electrical load.
4, carefully check the product packaging whether there is a detailed manufacturer or supplier's address, telephone.
5, try to go to regular shops with regular purchase channels to purchase branded products.
Hardware purchase furniture brand water heater brand switch electrical appliances
Stainless Steel Turnbuckle,Wire Rope,Astm Stainless Steel
Kaiwei Stainless Steel Products Co., Ltd. , http://www.jswirerod.com