| 1. | Each unit should include a main switch and ammeter with a scale of about 20 ampere capacity . 每一套装置应包括一个主开关和电流表,电流表的刻度范围约20安培。 |
| 2. | Main switch exposed metal parts not earthed 总开关掣的外露金属部分并无接地。 |
| 3. | Main switch with inadequate short circuit breaking capacity 总开关掣的短路断流容量不足。 |
| 4. | Copper link not installed in neutral circuit at main switch 总开关掣的中性电路无安装铜连杆。 |
| 5. | Main switch live parts not properly enclosed or insulated 总开关掣带电部分无适当密封或绝缘。 |
| 6. | Double pole main switch not installed for single phase installation 单相装置并无安装双极总掣。 |
| 7. | Main cable undersized when compared to main switch rating 与总开关掣的额定值比较,主电缆的尺寸过小。 |
| 8. | Move the main switch from on to off or press the control button 将主开关从开转到关,或者按压控制钮。 |
| 9. | Main switch ( including all associated protective devices ) defective 总开关掣(包括所有连带保护器件)欠妥。 |
| 10. | Power window main switch 电动窗主开关 |