electrical materials

What is the name of the material shown in the picture?

How do you call this one?

What is this?

Which of the following is installed to connect two ends of fixed tube to form a curve either 90 degrees or 45 degrees without bending the tube?

• condulet

• elbow coupling

• connector coupling

• PVC pipe

Which of the following is essentially a light dependent resistor?

• contactor

• lamp

• photo cell

• solar cell

This service head forms like a swan neck, it is for service drop entry point where overhead power or telephone wires enter a residence.

What material is needed to insulate all the splices and open wire connection?

• electrical tape

• plaster

• masking tape

• wire conductor

What is an assembly of sections and connected fittings forming a solid structural system used to securely hold cables and raceways.

What are these automatically operated electrical switches that protect electrical lines from overloading or short circuit?

is What is a material for electrical distribution line which divides an electrical power supply into different lines?