Connecting a two-handset cordless telephone

Connecting a two-handset cordless telephone

Is it necessary to carry out another telephone line cord in the apartment for the second handset, or only one telephone line cord for one handset is needed, and the other will still work?

How to protect the house from surge surges?

How to protect the house from surge surges?

I have the task of comprehensive protection against surge currents of private home, which is connected via an overhead line of 3 phase voltage. What is the best way to protect your home?

Secondary Spot Welding

Secondary Spot Welding

He made spot welding from the old welding, rewound it with a welding cable. Should the coils fit snugly to the core or can rings be wider than the core?

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