5 - 25 ma Involuntary reaction/spasm
25 - 100 ma Breathing Cessation
100 - 200 ma Ventricular Fibrillation (possible cns damage)
200 ma + Burns
10v wet or conductive danger voltage
30vac/50vdc dry danger voltage
90 day - limit on extension cord use for portable equip
key terms: energized, exposed, "work on"
De-energize before work - includes power, caps, and potential energy of springs, pneumatics, pressure, and hydraulics.
don't do if it's more dangerous, or because of design limits
Lockout Block (LO/BO) - block energy from equip for maint
Auth by dept manager
lockout adapter - allows multiple locks for multiple workers
keeps one person from hurting another
only you and your manager have your lockout key
never share your key or leave it anywhere.
department lock - everyone has a key
lock - physical restrictor, whether padlock, or other, which is keyed
when in use, should be labeled with "DANGER" and name/contact info
block - prevents dies, lifts or other equip from moving if accidentally energized
also, plugs or blinds in pipes or ducts
tags - 4 types - required for any lockout
lockout system - red and white, with danger emblem and list of hazards and discharge warning.
other side says "my life is on the line" and name/contact of lock holder
used when performing maintenance on potentially hazardous equipment
danger out of service - white with danger emblem and large black "OUT OF SERVICE" with name and contact info
used when taking out of service, but no maintennace, and hazards exist if reactivated
out of service - white with black letters, "OUT OF SERVICE" and contact info
used when taking out of service, no maint and no hazards for re-use
attention - white w/ black letters, "ATTENTION" and contact info, and comments (leave valve open, etc) but no hazards exist if not followed
Safety - must be authorized AND competent before working on live circuits
use task lighting when needed
use safety/protective equipment as appropriate (gloves, insulated mats, etc)
use gfci when approptiate (outside, panel service, wet, ungrounded circuitry or when potential for your body to short circuit to ground)
no jewelery or metal objects
know where the EPO or main disconnect is.
always have someone with you when working with live, exposed or hazardous voltages
they must know how to de-energize, provide CPR and call for help.
work one handed and don't touch any ground
if not alert, don't work
wear non-conductive safety glasses
inspect tools before each use