Basic Electricity - Senior Secondary 2 - Conduit wiring and fittings

TERM: 3^RD TERM

WEEK THREE

Class: Senior Secondary School 2

Age: 16 years

Duration: 40 minutes of 5 periods each

Date:

Subject: BASIC ELECTRICITY

Topic: CONDUIT WIRING AND FITTINGS

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

I.) Define conduit fittings

II.) Identify the types of Conduit fittings

III.) State the uses of Conduit Fittings

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures,

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

NOTE

CONDUIT WIRING AND FITTINGS

Conduit fittings are components used in conduit wiring systems to connect, secure, and protect electrical conduits, as well as to facilitate the installation and routing of electrical cables or wires. These fittings play a crucial role in ensuring the integrity, safety, and functionality of the electrical installation.

Types of Conduit Fittings

1. Couplings: Couplings are used to join two sections of conduit together, allowing for continuous runs of conduit. They come in various sizes and materials to accommodate different conduit types and installation requirements.
2. Connectors: Connectors, also known as fittings or fittings boxes, are used to connect conduits to junction boxes, outlets, switches, or other electrical devices.
3. Elbows: Elbows, also called bends or sweeps, are used to change the direction of conduit runs, allowing for turns, corners, or changes in elevation. They come in different angles (e.g., 90 degrees, 45 degrees) and radii to accommodate various installation needs.
4. Tees: Tees are used to create branch connections in conduit runs, allowing for the installation of additional circuits or devices. They provide a junction point where one conduit splits into two or more conduits, maintaining continuity and organization in the wiring system.
5. Adapters: Adapters are used to transition between different conduit sizes or types, allowing for compatibility between conduits, fittings, and devices.
6. Bushings: Bushings, also known as grommets or insulating bushings, are used to protect cables or wires from abrasion and damage where they enter or exit conduits or junction boxes.
7. Locknuts and Washers: Locknuts and washers are used to secure conduit fittings to junction boxes, devices, or other fittings. They ensure a tight and secure connection, preventing loosening or detachment of fittings during installation or operation.

Uses of Conduit Fittings

1. Conduit fittings provide secure and reliable connections between conduits, junction boxes, devices, and other components in electrical wiring systems.
2. Conduit fittings help protect electrical conductors from physical damage, moisture, dust, and other environmental hazards, ensuring the integrity and longevity of the wiring installation.
3. Conduit fittings allow for flexibility and adaptability in conduit installations, accommodating changes in direction, size, and configuration to meet the requirements of specific applications or installation conditions.
4. Conduit fittings help ensure compliance with electrical codes and regulations by providing properly installed and maintained conduit systems that meet safety and performance standards.
5. Conduit fittings help organize and manage electrical wiring systems by facilitating neat and orderly routing of conduits and cables, minimizing clutter and confusion in installations.

EVALUATION: 1. Define conduit fittings

2. Mention 5 types of conduit fittings
3. State 4 uses of conduit fittings

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively