{"data":{"id":"us/30-cfr-77.510","jurisdiction":"us","citation":"30 CFR 77.510","heading":"Resistors; location and guarding.","body":"Resistors, heaters, and rheostats shall be located so as to minimize fire hazards and, where necessary, provided with guards to prevent personal contact.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","Subpart F—Electrical Equipment—General"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"1b260881425c26ccbcd3308b466b0420e7d1c0d355fc8bfbb25bafbdd5d00f69","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-77.509","next":"us/30-cfr-77.511"},"notice":"GroundRules: Original legal text. Not legal advice."}