Avoid a Potential Fire Hazard: Things You Should Never Plug Into a Power Strip

protection.

The first strip may also carry the combined load of every device connected to the second strip. If that total exceeds its rating, overheating can occur.

Additional connections also create more potential points of failure. Loose plugs, worn sockets, damaged contacts, and poor-quality adapters can all contribute to electrical problems.

Daisy-chaining may also make it harder to identify which device is responsible when a circuit becomes overloaded.

Safer approach:

Never connect one power strip to another.

Do not plug a power strip into an extension cord unless the manufacturer