RETIE (Colombia) Technical regulation of electrical installations — translation

Clause-by-clause translation of Colombian RETIE: mandatory equipment certification, grounding, testing; design per NTC 2050 (NEC).

Document

Document	RETIE (Colombia) Technical regulation of electrical installations
Edition	2013
Status	Current (Colombia)
Issued by	Ministry of Mines and Energy of Colombia
Applies to	Colombian electrical installations: equipment certification, grounding, testing (with NTC 2050 = NEC)

Document structure

№	Chapter / section
1	Objectives and scope
2	Definitions
3	Certification and equipment
4	Grounding and safety
5	Testing and acceptance

Overview

RETIE — Colombian technical regulation (Res. 90708/2013). Design per NTC 2050 (NEC adoption); RETIE adds certification, personnel qualification, testing.

Certification (ch. 3)

3.1 Equipment (panels, breakers, cables, luminaires) needs a RETIE conformity certificate. 3.2 No installation without marking/certificates.

Grounding (ch. 4)

4.2 Earth electrodes per NTC 2050; TN-C-S at 120/240 V. 4.5 Lightning protection by calculation (NTC 4552).

Protection (ch. 4)

4.8 Breakers/fuses by rating; 30 mA ID for bathrooms, outdoor, wet zones.

Testing (ch. 5)

5.1 Insulation resistance, earthing continuity, protection tripping, polarity. 5.2 Test reports; no connection without acceptance.

Data is for reference. Final design decisions must follow current regulations and a qualified engineer.
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