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1. Electrical materials used to support or anchor the wires as big as No. 8 or even bigger

2. Electrical material most recommended serve as a housing of conductors in an interior concrete
houses​

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Darlene85go

Answer:

1.solid knobs are used to support or anchor wires as big as No. 8 or even bigger.

2.NM Cable. The most common type of home electrical wiring is the NM cable, also known as the Romex cable, after the most popular electrical wiring brand name. The NM cables contain three or more individual conductors, wrapped together in a sheathing, which is a flexible plastic jacket.

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