Porcelain suspension insulator XHP-70 are designed to link together into strings, typically of two or more, to provide much higher voltage protection than any single insulator.

Porcelain suspension insulator XHP-70 Packing:
Factory-assembled short strings of porcelain suspension Insulators are packed in wooden crates, which are reinforced and held closed by external wire bindings (no nails are used). A crate is shown here in the open position, and it is internally braced to permit stacking.
Crates are evenly stacked on a sturdy four-way wooden pallet. This assembly is held tightly in place with either steel or plastic bands, and is protected with a polyethylene film.

                    
          porcelain suspension insulator               porcelain suspension insulator XHP-70   

Porcelain suspension insulator parameters:

Porcelain suspension insulator testings: appearance inspection, cantilever test, thread test, puncture test, temperature cycle test, galvanizing test, routine flashover test, routine mechanical test

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