This inspection and testing course will teach electricians to understand the principles of inspection and testing and prepare you for the 2391-50, 2391-51 and 2391-52 qualifications.
Take this CourseCourse/Online Practice Content
Lessons Status
10
Dead Tests - Dead Tests
- Continuity Tests
- Ring Circuit Continuity
- Step 1: Continuity of Ring Final Circuit Conductors
- Step 2: Continuity of Ring Final Circuit Conductors
- Step 3: Continuity of Ring Final Circuit Conductors
- Test your understanding
- Insulation Resistance
- Insulation Resistance – Single Phase
- Insulation Resistance on individual circuits
- Insulation resistance of SELV Circuits
- Polarity
- Dead Tests
- Continuity Tests
- Ring Circuit Continuity
- Step 1: Continuity of Ring Final Circuit Conductors
- Step 2: Continuity of Ring Final Circuit Conductors
- Step 3: Continuity of Ring Final Circuit Conductors
- Test your understanding
- Insulation Resistance
- Insulation Resistance – Single Phase
- Insulation Resistance on individual circuits
- Insulation resistance of SELV Circuits
- Polarity
11
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繁體中文
English