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Why should the clearance between power and telephone cables not be less than 300mm?
Wiki User
∙ 11y ago
Telephone signal is more prone to EMI (Electro Magnetic Interference) effects of Electrical energy flowing through the power cable. To avoid such EMI effects, telephone cable is laid little bit away (300 mm at least) from the power cable.
Wiki User
∙ 11y ago
Wiki User
∙ 8y agoIf the clearance is less than 300 mm you increase the chance of the power line shorting to the telephone cable. This would blow out telephone equipment and potentially kill anyone working on the telephone line.
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