Here is a downloadable pdf file of the Philippine Electrical Code.
Chapter 1. General
ARTICLE 1.0 — INTRODUCTION
(a) Practical Safeguarding. The purpose of this Code is the practical safeguarding of persons and property from hazards arising
from the use of electricity.
(b) Adequacy. This Code contains provisions that are considered minimum requirements necessary for safety. Compliance therewith
and proper maintenance will result in an installation that is essentially free from hazard but not necessarily efficient, convenient, or adequate for good service or future expansion of electrical use.